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发明名称
Heating device
摘要
申请公布号
US2294579(A)
申请公布日期
1942.09.01
申请号
US19390303931
申请日期
1939.11.13
申请人
SHERMAN RALLSTON M
发明人
SHERMAN RALLSTON M.
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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