NA 005
DIN Standards Committee Building and Civil Engineering
Standards
[CURRENT]
NF X43-050
NF X43-050
Air quality - Determination of the asbestos fiber concentration by transmission electron microscopy - Indirect method
Title (German)
Luftbeschaffenheit - Bestimmung der Asbestfaserkonzentration durch Transmissions - Eiektronenmikroskopie - Indirekte Methode