Similar to たたら研究会
K2
K2▼-2 trends
B型肝炎
Hepatitis B
0
0
1
1▲3 trends
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11 (number)
12
12 (number)
13
13 (number)
19
19 (number)
40
40 (number)70
70 (number)
100
100
400
400 (number)
700
700 (number)
1000
1000 (number)
1000000
1,000,000
鉄鋼業
ウェルツ法
Waelz process
ウクライナの金属生産
Metal production in Ukraine
欧州石炭鉄鋼共同体
European Coal and Steel Community
