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发明名称
COATED SHEET OR FILM
摘要
申请公布号
CA347309(A)
申请公布日期
1935.01.08
申请号
CAD347309
申请日期
申请人
DUPONT CELLOPHANE COMPANY INCORPORATED
发明人
JOHN C. SIEMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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