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发明名称
MOISTUREPROOFING METHOD
摘要
申请公布号
CA401342(A)
申请公布日期
1941.12.09
申请号
CAD401342
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
JAMES ALBERT MITCHELL
分类号
主分类号
代理机构
代理人
主权项
地址
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