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发明名称
Improvements in or relating to the utilization of the heat of steam engine exhaust in hot-houses
摘要
申请公布号
GB348172(A)
申请公布日期
1931.04.30
申请号
GB19300003376
申请日期
1930.01.31
申请人
OTTO HAPPEL
发明人
分类号
F01K17/02
主分类号
F01K17/02
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代理人
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