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经营范围
发明名称
Improvements in or relating to fluid pressure gauges
摘要
申请公布号
GB449827(A)
申请公布日期
1936.07.06
申请号
GB19350009678
申请日期
1935.03.28
申请人
JOHN DEWRANCE
发明人
分类号
G01L19/06
主分类号
G01L19/06
代理机构
代理人
主权项
地址
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