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发明名称
MOISTUREPROOF MATERIAL
摘要
申请公布号
CA345498(A)
申请公布日期
1934.10.23
申请号
CAD345498
申请日期
申请人
THE DUPONT CELLOPHANE COMPANY INCORPORATED
发明人
WILLIAM L. HYDEN;WILLIAM H. CHARCH;JOHN C. SIEMANN
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