fluimex.comfluimex.com/wp-content/uploads/2017/07/ASTM_A-53.pdf · A 53/A 53M - 07 21. Product...
14
fluimex.comfluimex.com/wp-content/uploads/2017/07/ASTM_A-53.pdf · A 53/A 53M - 07 21. Product Marking 21.1 Except as allowed by 21.5 and 21.6, each length of pipe shall be legibly