ASTM A888 o loʻo faʻaaogaina lautele i Amerika, matou te maua le UPC ma le CISPI301 faʻatagaina.

ASTM A888 o loʻo faʻaaogaina lautele i Amerika, matou te maua le UPC ma le CISPI301 faʻatagaina.Ole lapopoa e amata mai ile 1.5”-12”.——Iulai 20, 2019