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经营范围
发明名称
Photographisches Vergrösserungsgerät.
摘要
申请公布号
CH261394(A)
申请公布日期
1949.05.15
申请号
CHD261394
申请日期
1947.10.04
申请人
WIRTH,RICHARD
发明人
WIRTH,RICHARD
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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