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发明名称
Tank water heater
摘要
申请公布号
US1935919(A)
申请公布日期
1933.11.21
申请号
US19300437672
申请日期
1930.03.21
申请人
RONSTROM THOMAS A
发明人
RONSTROM THOMAS A.
分类号
F24H1/20
主分类号
F24H1/20
代理机构
代理人
主权项
地址
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