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发明名称
Reflexkamera mit beweglichem Spiegel
摘要
申请公布号
DE569810(C)
申请公布日期
1933.02.08
申请号
DE1931W086362D
申请日期
1931.06.28
申请人
ERNST WEISSE
发明人
分类号
G03B19/12
主分类号
G03B19/12
代理机构
代理人
主权项
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