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发明名称
Vorrichtung zum Bohren von Loechern und Abfasen des Lochrandes an gewoelbten Werkstuecken,insbesondere Rohren
摘要
申请公布号
DE1928950(A1)
申请公布日期
1971.01.07
申请号
DE19691928950
申请日期
1969.06.07
申请人
SIEGENER AG GEISWEID
发明人
SCHAEFER,DIETMAR;II,HELMUT SCHNEIDER
分类号
B23B51/10;B23Q35/10
主分类号
B23B51/10
代理机构
代理人
主权项
地址
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