Improvements in or relating to the production of tungstic anhydride,申请号GB19440019353-传众专利搜索

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发明名称	Improvements in or relating to the production of tungstic anhydride
摘要
申请公布号	GB593906(A)	申请公布日期	1947.10.29
申请号	GB19440019353	申请日期	1944.10.09
申请人	EDUARD WENGER	发明人
分类号	C01G41/00	主分类号	C01G41/00
代理机构		代理人
主权项
地址

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