UN SISTEMA DE VáLVULA PARA TALADROS DE ROCA QUE FUNCIONAN POR AIRE COMPRIMIDO.,申请号ES19460001161-传众专利搜索

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发明名称	UN SISTEMA DE VáLVULA PARA TALADROS DE ROCA QUE FUNCIONAN POR AIRE COMPRIMIDO.
摘要
申请公布号	ES116146(A1)	申请公布日期	1930.01.16
申请号	ES19460001161	申请日期	1929.12.19
申请人	INGERSSOLL - RAND COMPANY	发明人
分类号	(IPC1-7):E21	主分类号	(IPC1-7):E21
代理机构		代理人
主权项
地址

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