Perfectionnements aux matières réfractaires,申请号FRD766017-传众专利搜索

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发明名称	Perfectionnements aux matières réfractaires
摘要
申请公布号	FR766017(A)	申请公布日期	1934.06.20
申请号	FRD766017	申请日期	1933.11.30
申请人	THE FERRO ENGINEERING COMPANY	发明人
分类号	C04B28/26	主分类号	C04B28/26
代理机构		代理人
主权项
地址

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