Способ изготовления трубок и прутков,申请号SU19570567119-传众专利搜索

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发明名称	Способ изготовления трубок и прутков
摘要
申请公布号	SU109279(A1)	申请公布日期	1957.11.30
申请号	SU19570567119	申请日期	1957.02.20
申请人	PIKOV V.I.;SOKOLOV YU.A.	发明人	PIKOV V.I.;SOKOLOV YU.A.
分类号	B22F5/12;B22F3/20	主分类号	B22F5/12
代理机构		代理人
主权项
地址

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