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发明名称
Dispositif d'enroulement de films cinématographiques
摘要
申请公布号
FR888004(A)
申请公布日期
1943.11.30
申请号
FRD888004
申请日期
1942.11.19
申请人
发明人
HOLECEK KARL
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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