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经营范围
发明名称
Schraem- und Schlitzmaschine
摘要
申请公布号
DE604751(C)
申请公布日期
1934.10.27
申请号
DENDATH135741D
申请日期
申请人
ERNST HESE;ANNI SCHILLING
发明人
分类号
E21C31/00
主分类号
E21C31/00
代理机构
代理人
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