Abstract: In order to solve the problems of poor timeliness and low overall level of national standards as soon as possible, establish a standard system that is compatible with national economic and social development, and better serve the society. To solve the national standards as soon as possible, the timeliness is poor and the overall level is biased. Low-level issues, the establishment of a standard system that is compatible with national economic and social development, and better service to the society, the State Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Administration recently cleaned up 21,575 national standards. Through clean-up, 44.2% of the national standards continue to be valid, 44.2% are urgently needed to be revised, and 11.6% are abolished. Through this cleanup, the total number of national standards will be reduced by 23%. All relevant parties are requested to stop using the national standards that have been abolished. The General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Administration Committee will urgently revise the more than 9,000 national standards that are urgently needed to be revised in the next three years to improve the applicability and overall level of the standards. Among the abolished standards, the standards directly related to lighting electrical products are: GB7248-1987 Safety requirements for electric light sources 106 Abolition of GB7454-1987 Motor vehicle headlamp use and beam adjustment technical regulations 107 Abolish GB/T1006-/-1967 incandescent Lamp holder type, basic parameters and dimensions 115 abolish GB/T10979-1989 household and similar use lighting switch 170 abolish GB/T12815-1991 railway passenger car lighting design basic parameters 342 abolish GB/T13706-1992 photoelectric tube general specification (available for certification Use 427 to abolish GB/T13707-1992 photocell blank detail specification (for certification) 428 abolish GB/T4659-1984 automotive headlamp type, main size and connection size 1052 waste GB/T7271-1987 phototube test method 1221 Abolish GB/T15529-1995 semiconductor light-emitting digital tube blank detailed specification 1922 national standard abolished, transfer standard, transition period of 1 year. GB/T3307-1982 low-power electron tube filament intermittent test method 2231 national standard abolished, transfer standard, transition period of 1 year.
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Fiber Optical Cross Connect Cabinets
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Fiber Optical Cross Connect Cabinets
Fiber Optical Cross Connect Cabinets is designed for the connection between the Optical fiber cable and the main points, and it is a kind of port device. Fiber Optic Cross Connect Cabinets has the function of direct or indirect connection, coiling, storage, and dispatching on the fiber cable .Cabinets are made of double side wiredrawing stainless steel, with the protection grade reaching IP65. Those can endure climate changes and adverse environment. All front access.
Fiber Optical Cross Connect Cabinets
Fiber Optical Cross Connect Cabinets,Fiber Optic Cross Connect Cabinets
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