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发明名称
Improvements in or relating to drip-feed devices
摘要
申请公布号
GB364014(A)
申请公布日期
1931.12.21
申请号
GB19300028173
申请日期
1930.09.20
申请人
EDWIN HENRY PERCY YOUNG
发明人
分类号
F16N7/12
主分类号
F16N7/12
代理机构
代理人
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