POLYSULFONES,申请号USD3576791-传众专利搜索

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发明名称	POLYSULFONES
摘要
申请公布号	US3576791(A)	申请公布日期	1971.04.27
申请号	USD3576791	申请日期	1969.07.10
申请人	SHELL OIL CO.	发明人	HOWARD V. HOLLER;EDWARD A YOUNGMAN
分类号	C08G75/22;(IPC1-7):C08F27/24;C08F13/06	主分类号	C08G75/22
代理机构		代理人
主权项
地址

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