GB - Chinese national standards

Technical product documentation - Handling of computer-based technical information - Document management and retrieval systems

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Information technology--Protocol for providing the OSI connectionless-mode transport service

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Information technology--Telecommunications and information exchange between systems--X.25-DTE conformance testing--Part 2:Data link layer conformance test suite

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Information technology--Telecommunications and information exchange between systems--X.25-DTE conformance testing--Part 3:Packet layer conformance test suite

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Technical requirements for transmitter and receiver for globle marine distress safty system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Precast concrete plate for composite slab

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Prestressed concrete ribbed roof slabs

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Classification of sound absorption property for absorbent products using in buildings

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Heating, ventilation, air conditioning and air cleaning equipment in building—Units and symbols

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Stage division and code of procedure for development of national standards

Available languages: English, Chinese

Available design: electronic design (pdf), Print design