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3927791
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Patent Grant
3927791
References
Source
Patent Number
3,927,791
Date Filed
Not available
Date Issued
Tuesday, December 23, 1975
48 years ago
CPC
F42C19/04 - Protective caps
F22B37/46 - responsive to low or high water level
F42B39/20 - Packages or ammunition having valves for pressure-equalising Packages or ammunition having plugs for pressure release
US Classifications
220 - Receptacles
102 - Ammunition and explosives
122 - Liquid heaters and vaporizers
138 - Pipes and tubular conduits
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