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发明名称
Differential rotation mechanism
摘要
申请公布号
US3138037(A)
申请公布日期
1964.06.23
申请号
US19610104735
申请日期
1961.04.21
申请人
SCHUMANN ALFRED F
发明人
SCHUMANN ALFRED F.
分类号
F16K31/44;G05G7/02
主分类号
F16K31/44
代理机构
代理人
主权项
地址
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