Perfectionnements aux revêtements à émissivité secondaire prononcée,申请号FRD858434-传众专利搜索

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发明名称	Perfectionnements aux revêtements à émissivité secondaire prononcée
摘要
申请公布号	FR858434(A)	申请公布日期	1940.11.25
申请号	FRD858434	申请日期	1939.07.28
申请人	FIDES GESELLSCHAFT FU:R DIE VERWALTUNG UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTEN M.B.H.	发明人
分类号	H01J1/32;H01J9/12	主分类号	H01J1/32
代理机构		代理人
主权项
地址

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