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发明名称
Schraemmeissel und Verfahren zu seiner Herstellung
摘要
申请公布号
DE1206828(B)
申请公布日期
1965.12.16
申请号
DE1964E028271
申请日期
1964.12.01
申请人
GEBR. EICKHOFF, MASCHINENFABRIK;EISENGIESSEREI M.B.H.
发明人
KNOCHE HANS
分类号
E21C35/18
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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