a1987
Mechanical
- Oct 5, 2012
- 27
Dear Sirs,
i have a general question to submitt. Observing a drawing for api plan 53 B i have noticed that there is a label that i have attacched.
what is its meaning?
i have a general question to submitt. Observing a drawing for api plan 53 B i have noticed that there is a label that i have attacched.
what is its meaning?