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发明名称
Gauge protector
摘要
申请公布号
US1828093(A)
申请公布日期
1931.10.20
申请号
US19270158584
申请日期
1927.01.03
申请人
AILMAN DAVID E
发明人
AILMAN DAVID E.
分类号
G01L19/00
主分类号
G01L19/00
代理机构
代理人
主权项
地址
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