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发明名称
Twin lens reflex camera
摘要
申请公布号
US2963950(A)
申请公布日期
1960.12.13
申请号
US19580747201
申请日期
1958.07.08
申请人
FRANKE & HEIDECKE
发明人
FAASCH WERNER;SCHADE HARRY
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
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地址
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