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发明名称
Diver's patch for propeller shafts
摘要
申请公布号
US2508078(A)
申请公布日期
1950.05.16
申请号
US19460686590
申请日期
1946.07.26
申请人
UNIVERSAL DIVING SERVICE COMPANY
发明人
ROWLEY GEORGE B.;CLEMENTS ROBERT W.
分类号
B63H23/36
主分类号
B63H23/36
代理机构
代理人
主权项
地址
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