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经营范围
发明名称
Apparatus for controlling admission of fuel to a blast furnace
摘要
申请公布号
US3229969(A)
申请公布日期
1966.01.18
申请号
US19620228147
申请日期
1962.10.03
申请人
UNITED STATES STEEL CORPORATION
发明人
KENNEDY FRANK
分类号
C21B5/00
主分类号
C21B5/00
代理机构
代理人
主权项
地址
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POS SYSTEM
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PICTURE DATA AUTOMATIC GATHERING DEVICE
COUNTER
AUTOMATIC GAIN CONTROL CIRCUIT
OPTICAL SEMICONDUCTOR DEVICE
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MOTOR CONTROLLER CONTAINING POSITION DETECTING FUNCTION
PRODUCTION OF PAPER FOR PHOTOGRAPHIC PAPER
