Lifetime membership is only 10$ instead of 49$
left until the end of the campaign.
(one time fee, no hidden charges.)

All Dwg > Building Codes Sstandard > The coven of the gas pipe 926-78

Fully editable pdf, you can change all the drawings in the project together with everything else.

Standard buildings of the coven to install a natural gas pipeline in Venezuela

This pdf file is compatible with all versions of program.