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发明名称
Rohr- oder Kugelmuehle
摘要
申请公布号
DE540291(C)
申请公布日期
1931.12.10
申请号
DED540291D
申请日期
申请人
FRIED. KRUPP GRUSONWERK AKT.-GES.
发明人
分类号
B02C17/00
主分类号
B02C17/00
代理机构
代理人
主权项
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