METHOD OF CASTING METAL PIPE WITH PROJECTION PORTION ON ITS INNER SURFACE,申请号JP19770059201-传众专利搜索

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发明名称	METHOD OF CASTING METAL PIPE WITH PROJECTION PORTION ON ITS INNER SURFACE
摘要
申请公布号	JPS53142918(A)	申请公布日期	1978.12.13
申请号	JP19770059201	申请日期	1977.05.20
申请人	KUBOTA LTD	发明人	TANAKA AKIO;TOGAWA SUSUMU;WAKUSHIMA YOSHIKAZU
分类号	B22D13/02	主分类号	B22D13/02
代理机构		代理人
主权项
地址

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