57 صفحه pdf
ISO 13847:2000-Petroleum and natural gas industries-Pipeline transportation systems-Welding of pipelines
ISO 13847:2000-Petroleum and natural gas industries-Pipeline transportation systems-Welding of pipelines
57 صفحه pdf
ISO 13847:2000-Petroleum and natural gas industries-Pipeline transportation systems-Welding of pipelines
46 صفحه pdf
API Recommended Practice 1117:2013
Recommended Practice for Movement in In-service Pipelines