CENTER DRILL FOR BRANCHING LIVE PIPE,申请号JP19890127804-传众专利搜索

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发明名称	CENTER DRILL FOR BRANCHING LIVE PIPE
摘要
申请公布号	JPH02311212(A)	申请公布日期	1990.12.26
申请号	JP19890127804	申请日期	1989.05.23
申请人	NKK CORP;TOKYO GAS CO LTD	发明人	TOMIMORI KUNIAKI;TAKATSU KAZUO;SUSA MASAAKI;HAGIO AKIRA;NEMOTO MINORU;ODA MITSUGI;TAKAYANAGI KOJI;NAKAYAMA SEIJI;WAKAMATSU MIKITO
分类号	B23B51/05	主分类号	B23B51/05
代理机构		代理人
主权项
地址

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