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发明名称
Improvements relating to lubricating nipples with non-return valves for high pressure lubrication
摘要
申请公布号
GB315409(A)
申请公布日期
1930.03.13
申请号
GB19290020441
申请日期
1929.07.03
申请人
HANS KREIDEL
发明人
分类号
F16N21/02
主分类号
F16N21/02
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代理人
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