Differential fluid pressure line control,申请号US19380219054-传众专利搜索

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发明名称	Differential fluid pressure line control
摘要
申请公布号	US2179267(A)	申请公布日期	1939.11.07
申请号	US19380219054	申请日期	1938.07.13
申请人	THE BUCKEYE TRACTION DITCHER COMPANY	发明人	MILLER GEORGE E.
分类号	B66C13/18	主分类号	B66C13/18
代理机构		代理人
主权项
地址

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