A new or improved method or process of treating amber,申请号GB19320012667-传众专利搜索

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发明名称	A new or improved method or process of treating amber
摘要
申请公布号	GB401272(A)	申请公布日期	1933.11.03
申请号	GB19320012667	申请日期	1932.05.03
申请人	JOHN HABESCH	发明人
分类号	A61N1/16;C09F1/00	主分类号	A61N1/16
代理机构		代理人
主权项
地址

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