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发明名称
Vergroesserungsgeraet mit einem konstanten Vergroesserungsverhaeltnis
摘要
申请公布号
DE586131(C)
申请公布日期
1933.10.17
申请号
DE1931F072105D
申请日期
1931.10.29
申请人
PAUL FRANKE;REINHOLD HEIDECKE
发明人
分类号
G03B27/32
主分类号
G03B27/32
代理机构
代理人
主权项
地址
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