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经营范围
发明名称
Planetary gearing
摘要
申请公布号
US2609713(A)
申请公布日期
1952.09.09
申请号
US19510208594
申请日期
1951.01.30
申请人
DAVID ROUND & SON
发明人
MARTIN CHARLES C.;ROUND DAVID A.
分类号
B66D3/16;F16H1/32
主分类号
B66D3/16
代理机构
代理人
主权项
地址
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