Областной этап Слета изобретателей и рационализаторов 2017
10 years ago 00:01:32 74
2 years ago 00:02:45 105
7 years ago 00:03:06 55
7 years ago 00:03:08 74
3 years ago 00:02:52 27
2 years ago 00:03:54 20
4 years ago 00:37:34 70
7 years ago 00:06:45 3
9 years ago 00:03:17 218
2 years ago 00:02:36 2
7 years ago 00:02:52 25
4 years ago 00:01:34 2
8 years ago 00:04:37 42
7 years ago 00:03:44 66
8 years ago 00:02:24 88
6 years ago 00:00:52 4
12 years ago 00:04:09 15
8 years ago 00:01:37 74
5 years ago 00:03:52 8
8 years ago 00:20:50 5
3 years ago 00:02:16 4
9 years ago 00:02:45 76
7 years ago 00:00:56 32
4 years ago 00:02:19 55
