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发明名称
Rollfilmkassette
摘要
申请公布号
DE718382(C)
申请公布日期
1942.03.11
申请号
DE1939L096888D
申请日期
1939.01.20
申请人
ERNST LEITZ G.M.B.H.
发明人
LEITZ LUDWIG
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
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