Flow control means and method,申请号US19460686506-传众专利搜索

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发明名称	Flow control means and method
摘要
申请公布号	US2489542(A)	申请公布日期	1949.11.29
申请号	US19460686506	申请日期	1946.07.26
申请人	THE DOLE VALVE COMPANY	发明人	ROSENBLUM ROBERT A.
分类号	G05D16/06	主分类号	G05D16/06
代理机构		代理人
主权项
地址

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