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经营范围
发明名称
Safety valves
摘要
申请公布号
GB743357(A)
申请公布日期
1956.01.11
申请号
GB19530017122
申请日期
1953.06.19
申请人
THE DE HAVILLAND ENGINE COMPANY LIMITED;FRANK BERNARD HALFORD;ARTHUR VALENTINE CLEAVER
发明人
分类号
F02K9/56;F16K17/164
主分类号
F02K9/56
代理机构
代理人
主权项
地址
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