Способ накатки конической резьбы,申请号SU19480377233-传众专利搜索

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法人/股东/高管

发明名称	Способ накатки конической резьбы
摘要
申请公布号	SU88313(A1)	申请公布日期	1949.11.30
申请号	SU19480377233	申请日期	1948.04.17
申请人	FRUMIN YU.L.	发明人	FRUMIN YU.L.
分类号	B21H3/04	主分类号	B21H3/04
代理机构		代理人
主权项
地址

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