Способ термитной сварки рельсов,申请号SU19350169252-传众专利搜索

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发明名称	Способ термитной сварки рельсов
摘要
申请公布号	SU48427(A1)	申请公布日期	1936.08.31
申请号	SU19350169252	申请日期	1935.05.13
申请人	KARASEV M.A.	发明人	KARASEV M.A.
分类号	E01B11/52;B23K23/00	主分类号	E01B11/52
代理机构		代理人
主权项
地址

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