SINGLE GROOVE DRAWING BLOCK ASEMBLY,申请号GB19780020501-传众专利搜索

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发明名称	SINGLE GROOVE DRAWING BLOCK ASEMBLY
摘要
申请公布号	GB1597301(A)	申请公布日期	1981.09.03
申请号	GB19780020501	申请日期	1978.05.18
申请人	WEAN UNITED INC	发明人
分类号	B21C1/14;(IPC1-7):B21C1/14	主分类号	B21C1/14
代理机构		代理人
主权项
地址

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