STRZEMIE OBUDOWY GORNICZEJ,申请号PL19770200635-传众专利搜索

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发明名称	STRZEMIE OBUDOWY GORNICZEJ
摘要
申请公布号	PL106965(B1)	申请公布日期	1980.01.31
申请号	PL19770200635	申请日期	1977.09.01
申请人		发明人
分类号	E21D;E21D11/22;(IPC1-7):E21D11/22	主分类号	E21D
代理机构		代理人
主权项
地址

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