Supporting base of mine support,申请号CZ19970006494U-传众专利搜索

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发明名称	Supporting base of mine support
摘要
申请公布号	CZ6090(U1)	申请公布日期	1997.07.16
申请号	CZ19970006494U	申请日期	1997.04.02
申请人	STRAKOS JAN ING.	发明人	STRAKOS JAN ING.
分类号	E21D11/30;(IPC1-7):E21D011/30	主分类号	E21D11/30
代理机构		代理人
主权项
地址

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