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经营范围
发明名称
Carrier or felting needle
摘要
申请公布号
US2326038(A)
申请公布日期
1943.08.03
申请号
US19400322156
申请日期
1940.03.04
申请人
DRYCOR FELT COMPANY
发明人
KOPRIVA CHARLES J.;GATES PERCIVAL T.
分类号
D04H18/00;D05B55/02
主分类号
D04H18/00
代理机构
代理人
主权项
地址
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