ISO 7212:1986现行
Enclosures for protection against ionizing radiation - Lead shielding units for 50 mm and 100 mm thick walls
出版：International Organization for Standardization
专家解读视频
Gives the properties of the various lead units that are used in the construction of shielded enclosures for protection against ionizing radiation. Deals with basic units: bricks, posts and functional units: aperture bricks, windows, sphere units, plugs and reducing units.
SS ISO 7212 Ed. 1 (1987) - Identical
NFM 62 001:1991 - Similar
UNI ISO 7212:1991 - Identical
DIN 25407-1 (1993-04) - Identical
DIN 25407-1 SUPP (1974-02) - Similar
DIN 25407-2 (1993-05) - Similar
DIN 25407-2 SUPP (1974-12) - Similar
