PIERSCIEN ROZDZIELCZY DO ROZPROWADZANIA MEDIUM CHLODZACEGO PRZY ZAMRAZANIU GRUNTOW DLA CELOW BUDOWNICTWA GORNICZEGO ZWLASZCZA DLA GLEBIENIA SZYBOW,申请号PL19750180476-传众专利搜索

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发明名称	PIERSCIEN ROZDZIELCZY DO ROZPROWADZANIA MEDIUM CHLODZACEGO PRZY ZAMRAZANIU GRUNTOW DLA CELOW BUDOWNICTWA GORNICZEGO ZWLASZCZA DLA GLEBIENIA SZYBOW
摘要
申请公布号	PL104650(B1)	申请公布日期	1979.08.31
申请号	PL19750180476	申请日期	1975.05.17
申请人		发明人
分类号	E21D1/12;(IPC1-7):E21D1/12	主分类号	E21D1/12
代理机构		代理人
主权项
地址

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