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经营范围
发明名称
Senkungsmesser
摘要
申请公布号
DE915930(C)
申请公布日期
1954.08.02
申请号
DE1952M013261
申请日期
1952.03.07
申请人
WERNER MEHLES
发明人
MEHLES WERNER
分类号
E21F17/18
主分类号
E21F17/18
代理机构
代理人
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