Controlling device for the ends of discharge pipes,申请号US19380199761-传众专利搜索

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发明名称	Controlling device for the ends of discharge pipes
摘要
申请公布号	US2236293(A)	申请公布日期	1941.03.25
申请号	US19380199761	申请日期	1938.04.04
申请人	THE DOLE VALVE COMPANY	发明人	LUND JAMES K.
分类号	F01P11/02	主分类号	F01P11/02
代理机构		代理人
主权项
地址

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