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发明名称
Pulley block
摘要
申请公布号
US1799935(A)
申请公布日期
1931.04.07
申请号
US19300430242
申请日期
1930.02.21
申请人
ALEXANDER TAYLOR CHARLES WILLI
发明人
TAYLOR CHARLES WILLIAM ALEXANDER
分类号
F16N7/00
主分类号
F16N7/00
代理机构
代理人
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