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经营范围
发明名称
Method of assembling butyl rubber o rings in a hydraulic system
摘要
申请公布号
US2850797(A)
申请公布日期
1958.09.09
申请号
US19560568959
申请日期
1956.03.02
申请人
DOUGLAS AIRCRAFT COMPANY, INC.
发明人
CHAMBERS CARL W.;MORETON DOUGLAS H.
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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