DIFF Subgroup
E06B 5/12 against air pressure, explosion, or gas
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
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 > against air pressure, explosion, or gas
CPC:
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 > against air pressure, explosion, or gas
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- E06B 5/14 Gasproof doors or similar closures; Adaptation of fixed constructions therefor IPC+CPC Available in IPC and CPC