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发明名称
Torpedo propeller guard-lock
摘要
申请公布号
US2775949(A)
申请公布日期
1957.01.01
申请号
US19550519297
申请日期
1955.06.30
申请人
HESS EDWARD R
发明人
HESS EDWARD R.
分类号
F42B19/00;F42B39/00
主分类号
F42B19/00
代理机构
代理人
主权项
地址
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