Copper and copper alloys - Seamless, round copper tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems; German version EN 12735-1:2001 + A1:2005— 19 стр.
Copper and copper alloys - Seamless, round copper tubes for air conditioning and refrigeration - Part 2: Tubes for equipment; German version EN 12735-2:2001 + A1:2005— 24 стр.
