Стандарты
Разработаны и зарегистрированы первые стандарты, регулирующие основные понятия и классификацию в области воздухоплавания.
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9 years ago 00:07:22 222
1 year ago 00:21:04 264
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3 years ago 01:33:33 56
8 years ago 03:00:03 585
8 years ago 00:26:18 299
3 years ago 06:46:11 1
11 years ago 00:00:55 23
9 years ago 00:02:18 399
1 year ago 02:07:15 30
10 years ago 00:02:49 73
11 years ago 00:02:29 32
3 years ago 00:01:05 90
12 years ago 00:03:27 36
4 years ago 00:13:18 252
8 years ago 00:04:36 1.9K
5 years ago 00:05:57 10K
5 years ago 00:02:32 30
11 years ago 00:59:05 1.3K
7 years ago 00:30:32 23
10 years ago 00:09:26 48
