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经营范围
发明名称
Vergroesserungs- und Projektionsapparat
摘要
申请公布号
DE492127(C)
申请公布日期
1930.02.18
申请号
DE1927SC83629D
申请日期
1927.08.21
申请人
FRIEDRICH SCHIMMELPFENNIG
发明人
分类号
G03B27/54
主分类号
G03B27/54
代理机构
代理人
主权项
地址
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