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发明名称
Improvements in and relating to apparatus for automatically discharging liquids frompipelines
摘要
申请公布号
GB388393(A)
申请公布日期
1933.02.22
申请号
GB19310023636
申请日期
1931.08.22
申请人
RICHARD HASPEL
发明人
分类号
F16T1/24
主分类号
F16T1/24
代理机构
代理人
主权项
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