Method of surfacing stone,申请号US19300451090-传众专利搜索

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发明名称	Method of surfacing stone
摘要
申请公布号	US1799034(A)	申请公布日期	1931.03.31
申请号	US19300451090	申请日期	1930.05.09
申请人	ALTHOFF HENRY H	发明人	ALTHOFF HENRY H.
分类号	B44C1/22	主分类号	B44C1/22
代理机构		代理人
主权项
地址

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DISPOSITIVO PARA LA FABRICACIËN AUTOMATICA DE ANILLOS ANGULARES PARA LA CONSTRUCCIËN DEL AISLAMIENTO DE TRANSFORMADORES, REACTANCIAS, TRANSFORMADORES DE MEDIDA Y ANALOGOS