POLISH HARD COAL MINING.

被引：0

作者：

Pluta, L.

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来源：

Colliery guardian Redhill | 1980年 / 228卷 / 07期

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摘要：

Hard coal mining in Poland, continues under development. The planned production figures range to 207 multiplied by (times) 2M tons for 1980. It is expected that the Polish hard coal mining will produce 232-235M of clean coal by 1985 and ca 280M tons by 1990.

引用

共 50 条

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不详
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