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Three Reports on the Use of the Steam Coals of the "Hartley District" of Northumberland in Marine Boilers
William George Baron ArmstrongJames Atkinson LongridgeThomas Richardson
出版J. Weale, 1858
URLhttp://books.google.com.hk/books?id=_FwEAAAAMAAJ&hl=&source=gbs_api
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