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经营范围
发明名称
Driving mechanism
摘要
申请公布号
US2817245(A)
申请公布日期
1957.12.24
申请号
US19560571570
申请日期
1956.03.14
申请人
B. F. PERKINS & SON, INC.
发明人
STEVENS CYRIL J.
分类号
F16H3/14
主分类号
F16H3/14
代理机构
代理人
主权项
地址
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