What does PTR stand for?
PTR stands for "PETROCHINA CO., LTD."
How to abbreviate "PETROCHINA CO., LTD."?
"PETROCHINA CO., LTD." can be abbreviated as PTR
What is the meaning of PTR abbreviation?
The meaning of PTR abbreviation is "PETROCHINA CO., LTD."
What does PTR mean?
PTR as abbreviation means "PETROCHINA CO., LTD."
