Abdichtung fuer Bohrkoepfe an Bohrmaschinen,申请号DE1962G034617-传众专利搜索

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发明名称	Abdichtung fuer Bohrkoepfe an Bohrmaschinen
摘要
申请公布号	DE1189036(B)	申请公布日期	1965.03.18
申请号	DE1962G034617	申请日期	1962.03.31
申请人	DIPL.-BERGING. ALBRECHT GRAEFER;GRETE NUESSE, GEB. KNUTH	发明人	GRAEFER DIPL.-BERGING. ALBRECHT;PILGRIM ALFRED
分类号	E21B21/01	主分类号	E21B21/01
代理机构		代理人
主权项
地址

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