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发明名称
Improvements in fluid pressure gauges
摘要
申请公布号
GB921445(A)
申请公布日期
1963.03.20
申请号
GB19590029091
申请日期
1959.08.25
申请人
MARTIN-DECKER CORPORATION
发明人
分类号
E21B47/06
主分类号
E21B47/06
代理机构
代理人
主权项
地址
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