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发明名称
Optisches Gerät mit veränderlichem Abbildungsmassstab.
摘要
申请公布号
CH260095(A)
申请公布日期
1949.02.28
申请号
CHD260095
申请日期
1946.12.14
申请人
GRETENER,EDGAR,DR. ING.
发明人
ING. GRETENER,EDGAR,DR.
分类号
G03B27/34
主分类号
G03B27/34
代理机构
代理人
主权项
地址
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