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发明名称
Photographisches Vergroesserungsgeraet
摘要
申请公布号
DE610146(C)
申请公布日期
1935.03.04
申请号
DE1932I044723D
申请日期
1932.06.25
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
FROST DIPL.-ING. PAUL
分类号
G03B27/72
主分类号
G03B27/72
代理机构
代理人
主权项
地址
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