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发明名称
Sheave assembly
摘要
申请公布号
US2554348(A)
申请公布日期
1951.05.22
申请号
US19470789053
申请日期
1947.12.01
申请人
RUDOLPH HENRY B
发明人
RUDOLPH HENRY B.
分类号
F16D1/091;F16D1/096
主分类号
F16D1/091
代理机构
代理人
主权项
地址
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