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经营范围
发明名称
Einfaches Herzstueck
摘要
申请公布号
DE488452(C)
申请公布日期
1930.01.06
申请号
DE1928K111488D
申请日期
1928.10.05
申请人
FRIED. KRUPP AKT.-GES.
发明人
WULFERT GUSTAV
分类号
E01B7/14
主分类号
E01B7/14
代理机构
代理人
主权项
地址
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