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发明名称
Sheave
摘要
申请公布号
US1980123(A)
申请公布日期
1934.11.06
申请号
US19320602347
申请日期
1932.03.31
申请人
HUNT WEBER GEORGE
发明人
WEBER GEORGE HUNT
分类号
B66D3/04
主分类号
B66D3/04
代理机构
代理人
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