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发明名称
Method of affixing stamps
摘要
申请公布号
US1985898(A)
申请公布日期
1935.01.01
申请号
US19310553701
申请日期
1931.07.28
申请人
DU PONT CELLOPHANE COMPANY, INC.
发明人
HYDEN WILLIAM L.;SIEMANN JOHN C.;SNYDER JAMES E.
分类号
G09F3/02;G09F3/10
主分类号
G09F3/02
代理机构
代理人
主权项
地址
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