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发明名称
Magnetic gun
摘要
申请公布号
US2214297(A)
申请公布日期
1940.09.10
申请号
US19380245475
申请日期
1938.12.13
申请人
FERRY WILLIAM E
发明人
FERRY WILLIAM E.
分类号
F41B6/00
主分类号
F41B6/00
代理机构
代理人
主权项
地址
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