drawing for api plan 53 B
drawing for api plan 53 B
(OP)
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?





RE: drawing for api plan 53 B