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发明名称
Improvements in and relating to valve devices, more especially for the hose of motor spirit delivery pumps
摘要
申请公布号
GB362181(A)
申请公布日期
1931.12.03
申请号
GB19300038468
申请日期
1930.12.20
申请人
JOHAN LODER
发明人
分类号
F16K31/58
主分类号
F16K31/58
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