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18 set 1991 ano - 1991年9月18日上海耀华玻璃厂研制的430、860 无碱玻璃纤维膨体纱通过技术鉴定，填补国内空白。

Descrição:

1991年9月18日上海耀华玻璃厂研制的430、860 无碱玻璃纤维膨体纱通过技术鉴定，填补国内空白。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

18 set 1991 ano

Agora

~ 34 years ago

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