COAL TAR OIL AND PITCH,申请号CAD348280-传众专利搜索

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发明名称	COAL TAR OIL AND PITCH
摘要
申请公布号	CA348280(A)	申请公布日期	1935.02.19
申请号	CAD348280	申请日期
申请人	THE BARRETT COMPANY	发明人	JOHN V. E. DICKSON
分类号		主分类号
代理机构		代理人
主权项
地址

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