PIPE HOLE FORMING PROCESS,申请号JP19750125678-传众专利搜索

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发明名称	PIPE HOLE FORMING PROCESS
摘要
申请公布号	JPS5248836(A)	申请公布日期	1977.04.19
申请号	JP19750125678	申请日期	1975.10.17
申请人	MATSUI YOSHIKAZU	发明人	MATSUI YOSHIKAZU
分类号	F16L5/00;E04G15/06;E04G21/12	主分类号	F16L5/00
代理机构		代理人
主权项
地址

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