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发明名称
Photographischer Verschluss
摘要
申请公布号
DE1019554(B)
申请公布日期
1957.11.14
申请号
DE1955G017764
申请日期
1955.08.12
申请人
ALFRED GAUTHIER G.M.B.H.
发明人
BARTH FRITZ
分类号
G03B9/58
主分类号
G03B9/58
代理机构
代理人
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