PRODUCTION OF LOW CARBON PITCH,申请号CAD311256-传众专利搜索

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发明名称	PRODUCTION OF LOW CARBON PITCH
摘要
申请公布号	CA311256(A)	申请公布日期	1931.05.12
申请号	CAD311256	申请日期
申请人	THE BARRETT COMPANY	发明人	STUART PARMELEE MILLER
分类号		主分类号
代理机构		代理人
主权项
地址

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