Una nueva válvula de paso intermitente de aire,申请号ES19400000375U-传众专利搜索

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发明名称	Una nueva válvula de paso intermitente de aire
摘要
申请公布号	ES37540(U)	申请公布日期	1953.09.01
申请号	ES19400000375U	申请日期	1953.08.04
申请人	YÁÑEZ VERDÚ, JOSÉ	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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