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发明名称
Firearm mechanism
摘要
This invention relates to safety devices for shotguns preventing wrong sized cartridges from lodging in shotgun barrels.
申请公布号
US4242825(A)
申请公布日期
1981.01.06
申请号
US19790016011
申请日期
1979.02.28
申请人
DEBOER, SHERRY MILES
发明人
DEBOER, FRED L.
分类号
F41A9/58;(IPC1-7):F41C27/00
主分类号
F41A9/58
代理机构
代理人
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地址
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