DOPPELWANDIGES SIEB FUER BOHRUNGEN UND BRUNNEN,申请号DE19823222627-传众专利搜索

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发明名称	DOPPELWANDIGES SIEB FUER BOHRUNGEN UND BRUNNEN
摘要
申请公布号	DE3222627(A1)	申请公布日期	1983.02.24
申请号	DE19823222627	申请日期	1982.06.16
申请人	KOJICIC,BOZIDAR,DR.	发明人	KOJICIC,BOZIDAR,DR.
分类号	B01D24/00;(IPC1-7):E03B3/24;B01D35/28;E21B43/08	主分类号	B01D24/00
代理机构		代理人
主权项
地址

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