SCREW JOINT OF STEEL PIPE,申请号JP19760050440-传众专利搜索

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发明名称	SCREW JOINT OF STEEL PIPE
摘要
申请公布号	JPS52133115(A)	申请公布日期	1977.11.08
申请号	JP19760050440	申请日期	1976.04.30
申请人	SUMITOMO METAL IND	发明人	WAKAO RIYOUSUKE;KOYANAGI HIDEO
分类号	F16L15/04	主分类号	F16L15/04
代理机构		代理人
主权项
地址

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