Pipe-line transportation of fine solids,申请号US19450635591-传众专利搜索

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发明名称	Pipe-line transportation of fine solids
摘要
申请公布号	US2478326(A)	申请公布日期	1949.08.09
申请号	US19450635591	申请日期	1945.12.17
申请人	PHILLIPS PETROLEUM COMPANY	发明人	SCARTH VIRGIL
分类号	B65G53/52	主分类号	B65G53/52
代理机构		代理人
主权项
地址

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