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发明名称
MOISTUREPROOF SHEET
摘要
申请公布号
CA458394(A)
申请公布日期
1949.07.26
申请号
CAD458394
申请日期
申请人
CANADIAN INDUSTRIES LIMITED;E.I. DU PONT DE NEMOURS AND COMPANY
发明人
WILLIAM LEONARD HYDEN;JAMES ALBERT MITCHELL
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主分类号
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