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发明名称
Trommelmuehle
摘要
申请公布号
DE659853(C)
申请公布日期
1939.07.15
申请号
DENDATB175346D
申请日期
申请人
HERMANN BERG
发明人
分类号
B02C15/06;B02C17/10
主分类号
B02C15/06
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代理人
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