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发明名称
Triebwellenabdichtung fuer Muehlen mit Trockenmahlung und Gasfuellung
摘要
申请公布号
DE509801(C)
申请公布日期
1930.10.16
申请号
DE1927H113855D
申请日期
1927.11.15
申请人
HARTSTOFF-METALL A.G. (HAMETAG)
发明人
KRAMER DR.-ING. ERWIN
分类号
B02C23/00
主分类号
B02C23/00
代理机构
代理人
主权项
地址
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