METHOD OF CLEANING FILTERS OF DRILLED WELLS,申请号PL19900287537-传众专利搜索

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发明名称	METHOD OF CLEANING FILTERS OF DRILLED WELLS
摘要
申请公布号	PL287537(A1)	申请公布日期	1992.05.04
申请号	PL19900287537	申请日期	1990.10.25
申请人	POLTEGOR TS OSRODEK BADAWCZO P	发明人	MAREK ADAM;RATAJ MARIAN
分类号	E03B3/15;(IPC1-7):E03B3/15	主分类号	E03B3/15
代理机构		代理人
主权项
地址

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