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发明名称
Aufklappbarer Kopierrahmen für photographische Zwecke.
摘要
申请公布号
AT136718(B)
申请公布日期
1934.03.10
申请号
ATD136718
申请日期
1933.05.17
申请人
JOSEF MESSANY
发明人
JOSEF MESSANY
分类号
主分类号
代理机构
代理人
主权项
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