NF F37-040:1977 Railway transport equipment. Tank wagons for carrying liquified gases under pressure and having bottom filling and emptying devices. Maximum service pressure 40 bars. Air orifice for gauging, degassing and testing.
1977NF F37-040:1977 Railway transport equipment. Tank wagons for carrying liquified gases under pressure and having bottom filling and emptying devices. Maximum service pressure 40 bars. Air orifice for gauging, degassing and testing.