1
Subject (ZB):
“...natural gas...”
2
Subject (ZB):
“...natural gas...”
3
4
6
Subject (ZB):
“...natural gas deposit...”
7
8
9
10
Subject (ZB):
“...natural gas...”
11
12
Subject (ZB):
“...natural gas deposit...”
13
Subject (ZB):
“...natural gas deposit...”
14
15
16
17
18
19
Subject (ZB):
“...natural gas exploration...”