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经营范围
发明名称
Means for testing lubricating oils
摘要
申请公布号
GB427260(A)
申请公布日期
1935.04.18
申请号
GB19330028895
申请日期
1933.10.19
申请人
WILLIAM HELMORE;ALAN ARNOLD GRIFFITH
发明人
分类号
G01N33/28
主分类号
G01N33/28
代理机构
代理人
主权项
地址
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