for protection against air-raid or other war-like action; for other protective purposes

Full Title

Doors, windows, or like closures for special purposes ; Border constructions therefor > for protection against air-raid or other war-like action; for other protective purposes

Child Classifications

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• E06B 5/103
• E06B 5/106
• E06B 5/11 against burglary
• E06B 5/12 against air pressure, explosion, or gas
• E06B 5/16 Fireproof doors or similar closures; Adaptations of fixed constructions therefor
• E06B 5/18 against harmful radiation (against heat E06B5/16)