Perfectionnements apportés aux vannes,申请号FRD687410-传众专利搜索

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发明名称	Perfectionnements apportés aux vannes
摘要
申请公布号	FR687410(A)	申请公布日期	1930.08.08
申请号	FRD687410	申请日期	1929.12.30
申请人		发明人	BROSIUS EDGAR E.
分类号	F23L15/02	主分类号	F23L15/02
代理机构		代理人
主权项
地址

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