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发明名称
Tank heater
摘要
申请公布号
US1995508(A)
申请公布日期
1935.03.26
申请号
US19310514526
申请日期
1931.02.09
申请人
HARTUNG WILLIAM R
发明人
HARTUNG WILLIAM R.
分类号
F24H1/00
主分类号
F24H1/00
代理机构
代理人
主权项
地址
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