Coated weld rod,申请号US19460703490-传众专利搜索

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发明名称	Coated weld rod
摘要
申请公布号	US2461180(A)	申请公布日期	1949.02.08
申请号	US19460703490	申请日期	1946.10.16
申请人	METAL AND THERMIT CORPORATION	发明人	ROLLASON ERNEST CLARENCE
分类号	B23K35/30	主分类号	B23K35/30
代理机构		代理人
主权项
地址

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