Prodn. of bitumen of high penetration value by oxidn.,申请号IT19860067541-传众专利搜索

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发明名称	Prodn. of bitumen of high penetration value by oxidn.
摘要
申请公布号	IT1192816(B)	申请公布日期	1988.05.12
申请号	IT19860067541	申请日期	1986.07.04
申请人	BEGLIARDI FERNANDO;CORI ALESSANDRO	发明人	BEGLIARDI FERNANDO;CORI ALESSANDRO
分类号	B01J;(IPC1-7):B01J/	主分类号	B01J
代理机构		代理人
主权项
地址

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