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发明名称
ROLLFILMSPULE, INSBESONDERE FUER KLEINBILDKAMERAS.
摘要
申请公布号
DE1624581(U)
申请公布日期
1951.06.21
申请号
DE1950B002955U
申请日期
1950.07.28
申请人
BOLTA-WERK G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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