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Enclosures for protection against ionizing radiation — Lead shielding units for 150 mm, 200 mm and 250 mm thi…

Overview ISO 9404-1:1991 - "Enclosures for protection against ionizing radiation - Lead shielding units for 150 mm, 200 mm and 250 mm thick walls - Part 1: Chevron units of 150 mm and 200 mm thicknes…