BS 3347:1961

Отменен

Specification for capacitors for railway signalling track circuits — 12 стр.

Ссылочные документы

BS 2050:1978

Действует

Specification for electrical resistance of conducting and antistatic products made from flexible polymeric material — 12 стр.

BS 4427-2:1969

Действует

Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use, Measurement of pH value of sodium tripolyphosphate — 8 стр.