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BS 142:Part 1:Section 1.4:1983
Electrical protection relays. Information and requirements for all protection relays
被代替
发布日期 :
1983-07-29
实施日期 :
BS AU 50:Part 3:Section 1:1977
Specification for tyres and wheels. Valves.
被代替
发布日期 :
1978-01-31
实施日期 :
AS 1668.2-1976
SAA Mechanical ventilation and air conditioning code Part 2 - Ventilation requirements
现行
发布日期 :
1976-04-01
实施日期 :
BS 882:Part 2:1973
Specification for Aggregates from natural sources for concrete (including granolitic)
被代替
发布日期 :
1975-08-29
实施日期 :