HYDRAULIC SUPPORT OF A MINE LINING,申请号PL19900288472-传众专利搜索

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发明名称	HYDRAULIC SUPPORT OF A MINE LINING
摘要
申请公布号	PL288472(A1)	申请公布日期	1991.07.29
申请号	PL19900288472	申请日期	1990.12.27
申请人	CT KT MASZYN GORNICZYCH KOMAG;FAZOS FABRYKA ZMECHANIZOWANYCH	发明人	KOZIELEWICZ JERZY;SZOPKA HUBERT;ROMANOWICZ STANISLAW;SPALEK KAZIMIERZ;WOJANOWSKI BOGUSLAW;STEFANSKI JERZY
分类号	E21D15/51;(IPC1-7):E21D15/51	主分类号	E21D15/51
代理机构		代理人
主权项
地址

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