Carbon black collecting and conveying systems,申请号US19540431018-传众专利搜索

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发明名称	Carbon black collecting and conveying systems
摘要
申请公布号	US2776725(A)	申请公布日期	1957.01.08
申请号	US19540431018	申请日期	1954.05.20
申请人	PHILLIPS PETROLEUM COMPANY	发明人	WOOD JAMES Q.
分类号	C09C1/48	主分类号	C09C1/48
代理机构		代理人
主权项
地址

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