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发明名称
Davit
摘要
申请公布号
US2650378(A)
申请公布日期
1953.09.01
申请号
US19500145949
申请日期
1950.02.24
申请人
EDWARD WEINSTEIN HERMAN
发明人
WEINSTEIN HERMAN EDWARD
分类号
B63B23/04
主分类号
B63B23/04
代理机构
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