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发明名称
Composition roller
摘要
申请公布号
US1870773(A)
申请公布日期
1932.08.09
申请号
US19290335705
申请日期
1929.01.28
申请人
ELDER CHARLES W
发明人
ELDER CHARLES W.
分类号
F16H55/48
主分类号
F16H55/48
代理机构
代理人
主权项
地址
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