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发明名称
Signal control circuit for coupling to metering system
摘要
申请公布号
US2715721(A)
申请公布日期
1955.08.16
申请号
US19490125812
申请日期
1949.11.05
申请人
CONTROL INSTRUMENT COMPANY, INC.
发明人
BEHN ERIC R.
分类号
G01N27/04
主分类号
G01N27/04
代理机构
代理人
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地址
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