Composition of matter and methods and steps of making and using the same,申请号US19350021808-传众专利搜索

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发明名称	Composition of matter and methods and steps of making and using the same
摘要
申请公布号	US2143880(A)	申请公布日期	1939.01.17
申请号	US19350021808	申请日期	1935.05.16
申请人	THE HARVEL CORPORATION	发明人	HUGHES WILLIAM A.
分类号	C08G63/48	主分类号	C08G63/48
代理机构		代理人
主权项
地址

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