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发明名称
Pressure gauge
摘要
申请公布号
US2370678(A)
申请公布日期
1945.03.06
申请号
US19420465463
申请日期
1942.11.13
申请人
MARSH JOHN W
发明人
MARSH JOHN W.
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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