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经营范围
发明名称
Improvements in or relating to lubricators
摘要
申请公布号
GB481506(A)
申请公布日期
1938.03.08
申请号
GB19360024492
申请日期
1936.09.08
申请人
RALPH WICKSTEED
发明人
分类号
F16N7/12
主分类号
F16N7/12
代理机构
代理人
主权项
地址
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