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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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3 abr 1989 ano - 1989年4月3日国家重点建设项目——中国与比利时合营的数字电话交换系统工程在上海通过国家验收。

Descrição:

1989年4月3日国家重点建设项目——中国与比利时合营的数字电话交换系统工程在上海通过国家验收。

Adicionado na linha do tempo:

工业大事年表

ByLoo Qoo
2 set 2023
1
0
686

Data:

3 abr 1989 ano
Agora
~ 36 years ago
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