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发明名称
Photographische Kamera mit auswechselbarem Lichtschacht oder Aufsatz
摘要
申请公布号
DE1005832(B)
申请公布日期
1957.04.04
申请号
DE1955F017860
申请日期
1955.07.05
申请人
FRANKE & HEIDECKE FABRIK PHOTOGR. PRAEZISIONS-APPARATE
发明人
SOMMERMEYER FRIEDRICH
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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