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发明名称
Appareil photographique
摘要
申请公布号
FR810974(A)
申请公布日期
1937.04.03
申请号
FRD810974
申请日期
1936.09.22
申请人
发明人
PRETZEL EDMUND OSKAR;PRETZEL WILHELM
分类号
G03B29/00
主分类号
G03B29/00
代理机构
代理人
主权项
地址
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