DIAMETER EXPANDING DEVICE FOR PIPE JOINT,申请号JP19900116564-传众专利搜索

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发明名称	DIAMETER EXPANDING DEVICE FOR PIPE JOINT
摘要
申请公布号	JPH0413428(A)	申请公布日期	1992.01.17
申请号	JP19900116564	申请日期	1990.05.02
申请人	NKK CORP	发明人	HAGIO AKIRA;ONO YOSHIMI;HONMA HIROSHI
分类号	B21D39/20	主分类号	B21D39/20
代理机构		代理人
主权项
地址

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