BS 7515:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Radiation protection instrumentation. Portable potential alpha energy meter for rapid measurements in mines
Hardcopy , PDF
31-03-2012
English
15-02-1995
Requirements for an instrument to measure the volume potential alpha energy due to the decay products of radon in the air of underground mines
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