METHOD OF PRODUCING NECKS,申请号SU19813289907-传众专利搜索

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发明名称	METHOD OF PRODUCING NECKS
摘要
申请公布号	SU1034814(A1)	申请公布日期	1983.08.15
申请号	SU19813289907	申请日期	1981.05.26
申请人	VNII PO STROITELSTVU MAGISTRALNYKH TRUBOPROVODOV	发明人	DUBKIN PAVEL L,SU;BELKIN NIKOLAJ M,SU;GALPERIN ABRAM I,SU
分类号	B21D19/00;B21D22/00;(IPC1-7):B21D19/00	主分类号	B21D19/00
代理机构		代理人
主权项
地址

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