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发明名称
Heater for rods and tubes
摘要
申请公布号
US1900843(A)
申请公布日期
1933.03.07
申请号
US19300436193
申请日期
1930.03.15
申请人
AJAX ELECTROTHERMIC CORPORATION
发明人
NORTHRUP EDWIN FITCH
分类号
H05B6/02;H05B6/04
主分类号
H05B6/02
代理机构
代理人
主权项
地址
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