DEVICE FOR CENTERING OVAL OPENINGS,申请号PL19830243731-传众专利搜索

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发明名称	DEVICE FOR CENTERING OVAL OPENINGS
摘要
申请公布号	PL140617(B1)	申请公布日期	1987.05.30
申请号	PL19830243731	申请日期	1983.09.09
申请人		发明人
分类号	B23B;B23B25/06;B23Q3/18;(IPC1-7):B23B25/06	主分类号	B23B
代理机构		代理人
主权项
地址

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