DS EN 14638-1:2006 Transportable Gas Cylinders - Refillable Welded Receptacles Of A Capacity Not Exceeding 150 Litres - Part 1: Welded Austenitic Stainless Steel Cylinders Made To A Design Justified By Experimental Methods Provides minimum requirements concerning material, design, construction and workmanship, procedures and tests at manufacture of refillable transportable welded cylinders made of austenitic stainless s