WORKING HEAD OF A GALLERY HEADING MACHINE,申请号PL19870264728-传众专利搜索

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发明名称	WORKING HEAD OF A GALLERY HEADING MACHINE
摘要
申请公布号	PL153693(B1)	申请公布日期	1991.05.31
申请号	PL19870264728	申请日期	1987.03.18
申请人		发明人
分类号	E21C;E21D9/10;(IPC1-7):E21D9/10	主分类号	E21C
代理机构		代理人
主权项
地址

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