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发明名称
Adjustable pulley
摘要
申请公布号
US2550511(A)
申请公布日期
1951.04.24
申请号
US19460686058
申请日期
1946.07.25
申请人
THE AMERICAN PULLEY COMPANY
发明人
WILLIAMS WILLIAM A.
分类号
F16B21/20;F16B39/02;F16H55/56
主分类号
F16B21/20
代理机构
代理人
主权项
地址
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