Device for maintaining the flow of solid powdered materials,申请号US19620181084-传众专利搜索

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发明名称	Device for maintaining the flow of solid powdered materials
摘要
申请公布号	US3140016(A)	申请公布日期	1964.07.07
申请号	US19620181084	申请日期	1962.03.20
申请人	THE NEW YORK AIR BRAKE COMPANY	发明人	FRAZEL WILBUR H.
分类号	A01C15/00;B65D88/66	主分类号	A01C15/00
代理机构		代理人
主权项
地址

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