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发明名称
Improvements in electromagnet valve
摘要
申请公布号
GB389370(A)
申请公布日期
1933.03.16
申请号
GB19320022215
申请日期
1932.08.08
申请人
NATIONAL PNEUMATIC COMPANY
发明人
分类号
F16K31/10
主分类号
F16K31/10
代理机构
代理人
主权项
地址
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