PRODUCTION OF COOLINGGPIPE*ENCASING* CONDUCTOR,申请号JP19770073262-传众专利搜索

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发明名称	PRODUCTION OF COOLINGGPIPEENCASING CONDUCTOR
摘要
申请公布号	JPS549047(A)	申请公布日期	1979.01.23
申请号	JP19770073262	申请日期	1977.06.22
申请人	HITACHI LTD	发明人	OOTSU HIROMASA;TANZAWA TAKESHI;YAMAGIWA TAKESHI;YAMAURA KANJI
分类号	B21D53/04;F28D21/00	主分类号	B21D53/04
代理机构		代理人
主权项
地址

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