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经营范围
发明名称
Carpet seam
摘要
申请公布号
US2118522(A)
申请公布日期
1938.05.24
申请号
US19350034319
申请日期
1935.08.02
申请人
E.I. DU PONT DE NEMOURS & COMPANY
发明人
PITMAN EARLE C.
分类号
A47G27/04
主分类号
A47G27/04
代理机构
代理人
主权项
地址
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