VARIABLE-DIAMETER PIPE LINE SCRAPER,申请号CAD655195-传众专利搜索

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发明名称	VARIABLE-DIAMETER PIPE LINE SCRAPER
摘要
申请公布号	CA655195(A)	申请公布日期	1963.01.01
申请号	CAD655195	申请日期
申请人	SERVICE PIPE LINE COMPANY	发明人	POSY A. HOWARD;ARTHUR M. HILL;JAMES A. FUGATE
分类号		主分类号
代理机构		代理人
主权项
地址

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