BS 110:1934
Air-break circuit breakers for voltages not exceeding 660 volts
被代替
发布日期 :
1933-01-30
实施日期 :
ISO 9371:1990 EN b7dfa110
Plastics — Phenolic resins in the liquid state or in solution — Determination of viscosity
废止
发布日期 :
1990-12-13
实施日期 :