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发明名称
Kohlenschleifstück, insbesondere für Stromabnehmer, mit Innen- oder Aussenfassung.
摘要
申请公布号
CH172933(A)
申请公布日期
1934.10.31
申请号
CHD172933
申请日期
1933.12.23
申请人
FIRMA: C. CONRADTY
发明人
CONRADTY FIRMA: C.
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