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发明名称
Porte-couloir cinématographique à refroidissement hydraulique
摘要
申请公布号
FR43525(E)
申请公布日期
1934.06.23
申请号
FRD43525
申请日期
1933.06.01
申请人
ZEISS-IKON A.G.
发明人
分类号
G03B21/16
主分类号
G03B21/16
代理机构
代理人
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