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发明名称
FILING DEVICE FOR PHOTOGRAPHIC NEGATIVES
摘要
申请公布号
CA403428(A)
申请公布日期
1942.03.17
申请号
CAD403428
申请日期
申请人
FRANK GRAHAM SAREL WHITFIELD;CUTHBERT JACK GOLLEDGE
发明人
FRANK GRAHAM SAREL WHITFIELD;CUTHBERT JACK GOLLEDGE
分类号
主分类号
代理机构
代理人
主权项
地址
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