Gas cylinders - High pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles (ISO 11439:2000); German version EN ISO 11439:2000— 71 стр.
Gas cylinders - High pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles (ISO 11439:2013); German version EN ISO 11439:2013— 85 стр.