Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD 5004-1994 Standars of Engineering Design for Digital Micyowave Relay Teiecomunication System(PDH Part) 360.0 via email in 1~3 business day abolished
GB 50374-2006 Code of Construction and Acceptance for Communication Conduit Engineering 380.0 via email in 1 business day valid
YD/T 5095-2005 Design Specification for SDH Long-Haul Optical Fiber Cable Transmission System Project 340.0 via email in 1 business day valid
YD/T 5024-2005 Design Specification for SDH Local Network Optical Fiber Cable Transmission Project 200.0 via email in 1 business day superseded
YD 5048-1997 Standard for Cherk and Acceptance of Telecommunications Facilites in Civic Residential District and Office Building 705.0 via email in 1~8 business day valid
YD/T 5066-2005 Design Specification of Engineering for Optical Fiber Cable Automatic Monitoring System 540.0 via email in 1~5 business day valid
YD/T 5070-2005 Acceptance Specification for Internet Engineering 540.0 via email in 1~5 business day valid
YD 5038-1997 Specification of Acceptance for Point to Multipoint Microwave Equipment Installation Engineering 330.0 via email in 1~3 business day valid
YD/T 5056-2005 Acceptance Specification for Fiber Optic Submarine Cable Transmission System Engineering 570.0 via email in 1~5 business day valid
GB/T 50623-2010 Code for acceptance of private telephone switch system engineering 300.0 via email in 1~3 business day valid
GB/T 50624-2010 Code for acceptance of communication engineering in residential districts and residential buildings 300.0 via email in 1~3 business day valid
SL/Z 332-2005 Specification for the preliminary design on the information system of water resources 195.0 via email in 1~3 business day valid
YD 5050-2005 Specifications of Engineering Design for the Domestic Satellite Communication Earth Station 300.0 via email in 1~3 business day valid
YD/T 5026-2005 Installation and design standard for cabling duct in The room of telecommunication 450.0 via email in 1~5 business day valid
CECS 177-2005 Code for construction and acceptance of buried telecommunication plastic conduit engineering in city area 450.0 via email in 1~3 business day valid
YD 5011-1995 Specification for Constructruction and Acceptance of Teiegraph & Fax Equipment Installation Project 435.0 via email in 1~3 business day valid
SL/Z 376-2007 Glossary of common terms for water resources informatization 180.0 via email in 1~3 business day valid
YD 5121-2005 Acceptance Specifications for Long-Haul Optical Fiber Cable Line Project 690.0 via email in 1~8 business day superseded
ZBBZH/SY 420.0 via email in 1~5 business day valid
YD 5006-2003 Designing Standard For Local Telephone Network Line Engineering 540.0 via email in 1~5 business day superseded
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