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经营范围
发明名称
Skioptikonbild
摘要
申请公布号
FI18540(A)
申请公布日期
1939.07.04
申请号
FID18540
申请日期
1936.04.03
申请人
发明人
SELLMAN TURE KARL AXEL
分类号
G03B21/64;(IPC1-7):G03B21/64
主分类号
G03B21/64
代理机构
代理人
主权项
地址
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