Process of producing nonyellowing phenol-formaldehyde condensates,申请号US19400337561-传众专利搜索

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发明名称	Process of producing nonyellowing phenol-formaldehyde condensates
摘要
申请公布号	US2338430(A)	申请公布日期	1944.01.04
申请号	US19400337561	申请日期	1940.05.27
申请人	BERNHARD HABRASCHKA	发明人	HABRASCHKA BERNHARD
分类号	C08G8/32;C08L61/10	主分类号	C08G8/32
代理机构		代理人
主权项
地址

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