Treatment of rosin and product thereof,申请号US19290330157-传众专利搜索

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发明名称	Treatment of rosin and product thereof
摘要
申请公布号	US1807483(A)	申请公布日期	1931.05.26
申请号	US19290330157	申请日期	1929.01.03
申请人	THE NEWPORT COMPANY	发明人	LOGAN WILLIAM BURNS
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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