Distillation and fractional condensation of formaldehyde,申请号US19530375057-传众专利搜索

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发明名称	Distillation and fractional condensation of formaldehyde
摘要
申请公布号	US2790755(A)	申请公布日期	1957.04.30
申请号	US19530375057	申请日期	1953.08.18
申请人	E. I. DU PONT DE NEMOURS AND COMPANY	发明人	WALKER JOSEPH FREDERIC
分类号	B01D3/00	主分类号	B01D3/00
代理机构		代理人
主权项
地址

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