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经营范围
发明名称
Improvements in or relating to the treatment of engine valves
摘要
申请公布号
GB594418(A)
申请公布日期
1947.11.11
申请号
GB19450002372
申请日期
1945.01.30
申请人
THE ANGLO-SAXON PETROLEUM COMPANY LIMITED;ROGER HARGREAVES
发明人
分类号
F01L3/00;F16C23/02
主分类号
F01L3/00
代理机构
代理人
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地址
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