Dispositif d'étirage de tubes en quartz ou en verre à forte teneur en silice,申请号FRD835128-传众专利搜索

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发明名称	Dispositif d'étirage de tubes en quartz ou en verre à forte teneur en silice
摘要
申请公布号	FR835128(A)	申请公布日期	1938.12.13
申请号	FRD835128	申请日期	1938.03.11
申请人	OSA PARTICIPATIONS INDUSTRIELLES SOC. AN.	发明人
分类号	C03B5/033;C03B17/04	主分类号	C03B5/033
代理机构		代理人
主权项
地址

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