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发明名称
Improvements relating to feed heaters for marine and like return-tube boilers
摘要
申请公布号
GB385385(A)
申请公布日期
1932.12.29
申请号
GB19310029286
申请日期
1931.10.22
申请人
FRANCIS WALKER;JOHN LEWIS AND SONS LIMITED
发明人
分类号
F22D1/46
主分类号
F22D1/46
代理机构
代理人
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