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发明名称
Improvements in or relating to fluid pressure gauges
摘要
申请公布号
GB451280(A)
申请公布日期
1936.08.04
申请号
GB19360042235
申请日期
1936.01.04
申请人
JOHN DEWRANCE
发明人
分类号
G01L7/04
主分类号
G01L7/04
代理机构
代理人
主权项
地址
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