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发明名称
Gas measuring and indicating device
摘要
申请公布号
US1825024(A)
申请公布日期
1931.09.29
申请号
US19280286819
申请日期
1928.06.20
申请人
AKTIEBOLAGET CARBA
发明人
TANDBERG JOHN GUDBRAND
分类号
G01N7/10
主分类号
G01N7/10
代理机构
代理人
主权项
地址
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