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经营范围
发明名称
Schneckengangfassung o. dgl.
摘要
申请公布号
DE558412(C)
申请公布日期
1932.09.07
申请号
DED558412D
申请日期
1930.10.29
申请人
DR. AUGUST NAGEL
发明人
分类号
G03B3/00
主分类号
G03B3/00
代理机构
代理人
主权项
地址
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