Valve return device,申请号US19490090861-传众专利搜索

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发明名称	Valve return device
摘要
申请公布号	US2534621(A)	申请公布日期	1950.12.19
申请号	US19490090861	申请日期	1949.05.02
申请人	SOCIETE ANONYME DES ANCIENS ETABLISSEMENTS PANHARD & LEVASSOR	发明人	PANHARD JEAN
分类号	F16F1/14;F16K51/00	主分类号	F16F1/14
代理机构		代理人
主权项
地址

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