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发明名称
Pressure gauge unit
摘要
申请公布号
US1909409(A)
申请公布日期
1933.05.16
申请号
US19300442194
申请日期
1930.04.07
申请人
JAS. P. MARSH CORPORATION
发明人
JOYCE HAROLD L.
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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