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发明名称
Filmwickelvorrichtung
摘要
申请公布号
DE597683(C)
申请公布日期
1934.05.29
申请号
DE1931D060661D
申请日期
1931.03.15
申请人
JOSEPH WILLIAM DROLL
发明人
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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