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发明名称
Abriebvorrichtung
摘要
申请公布号
DE1777013(A1)
申请公布日期
1971.04.15
申请号
DE19681777013
申请日期
1968.08.21
申请人
PENNSALT CHEMICALS CORP.
发明人
KULISCHENKO,WALTER
分类号
B24B55/06;B24C9/00
主分类号
B24B55/06
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代理人
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