SPOSOB PODZIEMNEGO WYTAPIANIA BARDZO SLABO PRZEPUSZCZALNYCH LUB NIEPRZEPUSZCZALNYCH,POKLADOWYCH ZLOZ SIARKI,申请号PL19740168930-传众专利搜索

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发明名称	SPOSOB PODZIEMNEGO WYTAPIANIA BARDZO SLABO PRZEPUSZCZALNYCH LUB NIEPRZEPUSZCZALNYCH,POKLADOWYCH ZLOZ SIARKI
摘要
申请公布号	PL99224(B1)	申请公布日期	1978.06.30
申请号	PL19740168930	申请日期	1974.02.18
申请人		发明人
分类号	E21B43/28;(IPC1-7):E21B43/28	主分类号	E21B43/28
代理机构		代理人
主权项
地址

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