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经营范围
发明名称
Submersion water heater
摘要
申请公布号
US1956915(A)
申请公布日期
1934.05.01
申请号
US19320612321
申请日期
1932.05.19
申请人
ELSWORTH BRANAM
发明人
BRANAM ELSWORTH
分类号
H05B3/80
主分类号
H05B3/80
代理机构
代理人
主权项
地址
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