PIPE CLOSING DEVICE,申请号KR19910001738U-传众专利搜索

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发明名称	PIPE CLOSING DEVICE
摘要
申请公布号	KR930003994(Y1)	申请公布日期	1993.06.25
申请号	KR19910001738U	申请日期	1991.02.04
申请人	JU, SU - YONG	发明人	JU, SU - YONG
分类号	B21D41/04;(IPC1-7):B21D41/04	主分类号	B21D41/04
代理机构		代理人
主权项
地址

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