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发明名称
Bildwechselvorrichtung für Stehbildwerfer.
摘要
申请公布号
CH220527(A)
申请公布日期
1942.04.15
申请号
CHD220527
申请日期
1940.09.06
申请人
WALTER,FRITZ,DR.
发明人
WALTER,FRITZ,DR.
分类号
G03B23/14
主分类号
G03B23/14
代理机构
代理人
主权项
地址
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