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发明名称
Method of producing films
摘要
申请公布号
US1910502(A)
申请公布日期
1933.05.23
申请号
US19320595026
申请日期
1932.02.25
申请人
DU PONT CELLOPHANE COMPANY, INC.
发明人
SCHMIDT MAXIMILIAN PAUL;VOSS JULIUS
分类号
B44C1/24
主分类号
B44C1/24
代理机构
代理人
主权项
地址
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