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发明名称
Optisches Abbildungsgerät mit einem Mechanismus zur automatischen Scharfstellung der Abbildung bei Änderung des Abbildungsmassstabes.
摘要
申请公布号
CH258863(A)
申请公布日期
1948.12.31
申请号
CHD258863
申请日期
1946.12.18
申请人
GRETENER,EDGAR,DR. ING.
发明人
ING. GRETENER,EDGAR,DR.
分类号
G03B27/36
主分类号
G03B27/36
代理机构
代理人
主权项
地址
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