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发明名称
Ball-and-socket type oarlock
摘要
申请公布号
US2518648(A)
申请公布日期
1950.08.15
申请号
US19460717573
申请日期
1946.12.20
申请人
TRAVIS REGINALD S
发明人
TRAVIS REGINALD S.
分类号
B63H16/06;B63H16/073
主分类号
B63H16/06
代理机构
代理人
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地址
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