Formulae for calculating intensities of lighthouse beams and beams from cognate projection apparatus..

UNGÜLTIG herausgegeben am 17.2.1941

Timber in joinery. General classification of timber quality.

UNGÜLTIG herausgegeben am 15.9.1996

Rules for the preparation of detail specifications for integrated circuits of assessed quality: TTL digital bistable circuits. General application category.

UNGÜLTIG herausgegeben am 1.12.1972

Protective clothing against liquid and gaseous chemicals, aerosols and solid particles. Performance requirements for ventilated and non-ventilated ´gas-tight´ (Type 1) and ´non-gas-tight´ (Type 2) chemical protective suits.

UNGÜLTIG herausgegeben am 20.1.2006

Protective clothing against liquid and gaseous chemicals, aerosols and solid particles. Performance requirements for ´gas-tight´ (Type 1) chemical protective suits for emergency teams (ET).

UNGÜLTIG herausgegeben am 26.2.2002

Method to determine the speed of a specific sample of a photographic negative material intended for snapshot work in daylight.

UNGÜLTIG herausgegeben am 1.1.1941

Rules for the preparation of detail specifications for integrated circuits of assessed quality: voltage regulators. Full assessment level.

UNGÜLTIG herausgegeben am 15.1.1978

Cast leaded brass bars (suitable for forging) and forgings.

UNGÜLTIG herausgegeben am 1.1.1941

Rules for the preparation of detail specifications for integrated circuits of assessed quality: complex digital circuits - bipolar. General application category.

UNGÜLTIG herausgegeben am 1.12.1975

Rules for the preparation of detail specifications for integrated circuits of assessed quality: TTL binary counter circuits. General application category.

UNGÜLTIG herausgegeben am 1.12.1973