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发明名称
Sheet material
摘要
申请公布号
US2075967(A)
申请公布日期
1937.04.06
申请号
US19340713519
申请日期
1934.03.01
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
VITTENGL MORGAN J.
分类号
D06M15/693
主分类号
D06M15/693
代理机构
代理人
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