PN Z70074-1990
Radiation protection in underground ining plants etermination of alpha potential nergy concentrations of radon aughters alibration ot' instruments

Standard No.

PN Z70074-1990

Release Date

1990

Published By

PL-PKN

Latest

PN Z70074-1990

PN Z70074-1990 history

• 1990 PN Z70074-1990 Radiation protection in underground ining plants etermination of alpha potential nergy concentrations of radon aughters alibration ot' instruments