Perfectionnements aux segments de piston,申请号FRD683336-传众专利搜索

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发明名称	Perfectionnements aux segments de piston
摘要
申请公布号	FR683336(A)	申请公布日期	1930.06.11
申请号	FRD683336	申请日期	1929.10.15
申请人		发明人	BUDLONG EDWARD JOHN
分类号	F16J9/20	主分类号	F16J9/20
代理机构		代理人
主权项
地址

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