Method and apparatus for preparing pencil pitch,申请号US19630323342-传众专利搜索

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发明名称	Method and apparatus for preparing pencil pitch
摘要
申请公布号	US3334167(A)	申请公布日期	1967.08.01
申请号	US19630323342	申请日期	1963.11.13
申请人	KOPPERS COMPANY, INC.	发明人	KENNEY GALE G.
分类号	B29B9/06;B29B13/04;B29C35/16;B29C47/00;C10C3/16	主分类号	B29B9/06
代理机构		代理人
主权项
地址

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