APPARATUS FOR BACK FILLING OF A SLOT FROM PIPE LAYER,申请号CS19820007691-传众专利搜索

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发明名称	APPARATUS FOR BACK FILLING OF A SLOT FROM PIPE LAYER
摘要
申请公布号	CS236979(B1)	申请公布日期	1985.06.13
申请号	CS19820007691	申请日期	1982.10.29
申请人	ZVANOVEC,JAROSLAV,CS;MICHAL,JIRI,CS	发明人	ZVANOVEC,JAROSLAV,CS;MICHAL,JIRI,CS
分类号	E02B11/00;(IPC1-7):E02B11/00	主分类号	E02B11/00
代理机构		代理人
主权项
地址

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