Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3764Chemical news office., 1932 |
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... represents the equivalent of coal at $ 1.20 a ton , which is of course a substantial lessening of the important item of ... represented by the latest plant and equipment of the Paterson Engineering Co. Ltd. of London . The addition of ...
... represents the equivalent of coal at $ 1.20 a ton , which is of course a substantial lessening of the important item of ... represented by the latest plant and equipment of the Paterson Engineering Co. Ltd. of London . The addition of ...
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