Refining of rosin and rosin derivatives,申请号US19410373803-传众专利搜索

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发明名称	Refining of rosin and rosin derivatives
摘要
申请公布号	US2325410(A)	申请公布日期	1943.07.27
申请号	US19410373803	申请日期	1941.01.09
申请人	HERCULES POWDER COMPANY	发明人	LISTER DONALD A.
分类号	C09F1/00	主分类号	C09F1/00
代理机构		代理人
主权项
地址

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