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31 dic 1988 anni - 1988年12月31日四方锅炉厂组装完毕第一台DZL1013/350A角管式工业锅炉，为国内首创。

Descrizione:

1988年12月31日四方锅炉厂组装完毕第一台DZL1013/350A角管式工业锅炉，为国内首创。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

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688

Data:

31 dic 1988 anni

Adesso

~ 36 years ago

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