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发明名称
Boiler or water-heating unit
摘要
申请公布号
US2305847(A)
申请公布日期
1942.12.22
申请号
US19400347823
申请日期
1940.07.27
申请人
DIGBY THOMAS J
发明人
DIGBY THOMAS J.
分类号
F24H1/38
主分类号
F24H1/38
代理机构
代理人
主权项
地址
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