最終更新日：2022/12/24
Chunghsing Comery.-This mine is at Tsaochuang (棗莊), Shantung Province. The local is good for making coke, but not so pure as that from Kaokeng, owing to the comparatively high ash percentage.]
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Chunghsing Comery.-This mine is at Tsaochuang (棗莊), Shantung Province. The local is good for making coke, but not so pure as that from Kaokeng, owing to the comparatively high ash percentage.]
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