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经营范围
发明名称
Sheathed tubular electrical heater
摘要
申请公布号
US2897467(A)
申请公布日期
1959.07.28
申请号
US19550505960
申请日期
1955.05.04
申请人
GENERAL MOTORS CORPORATION
发明人
BREMER ROBERT D.
分类号
H05B3/52
主分类号
H05B3/52
代理机构
代理人
主权项
地址
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