PLATFORM OF A REPEATABLE ANTI-EXPLOSION WATER DAM,申请号PL19890281283-传众专利搜索

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发明名称	PLATFORM OF A REPEATABLE ANTI-EXPLOSION WATER DAM
摘要
申请公布号	PL281283(A1)	申请公布日期	1991.03.11
申请号	PL19890281283	申请日期	1989.09.01
申请人	PRZED EKSPLOATACJI WEGLA POLNO	发明人	JEZIERSKI KAZIMIERZ
分类号	E21F5/02;(IPC1-7):E21F5/02	主分类号	E21F5/02
代理机构		代理人
主权项
地址

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