профессор Копылов об электричестве
Копылов Игорь Петрович, доктор технических наук, профессор, заведующий кафедрой “Электромеханики“ Московского Энергетического института об электричестве
8 months ago 00:15:07 0
8 months ago 00:27:48 0
8 months ago 00:03:39 0
8 months ago 00:17:13 0
8 months ago 01:34:54 0
8 months ago 00:04:17 0
9 months ago 00:03:12 0
9 months ago 00:28:21 0
10 months ago 00:00:35 2
11 months ago 03:40:28 0
11 months ago 00:03:49 0
11 months ago 01:05:17 10
12 months ago 00:26:14 7
1 year ago 00:55:48 1
1 year ago 02:01:56 0
1 year ago 00:07:14 0
1 year ago 00:20:02 0
1 year ago 00:04:24 5
1 year ago 00:03:24 0
1 year ago 00:05:01 0
1 year ago 00:03:33 0
1 year ago 00:06:01 6
1 year ago 04:27:06 1
2 years ago 00:51:15 1
