DIN 28184-1:1978-01

Отменен

Fixed head heat exchangers with tubes 25 and triangular tube pitch 32; number und pattern of tubes and tie rods — 6 стр.

Ссылочные документы

Отменен

Fixed head tubular heat exchangers with type 25 tubes and triangular 32 tube pitch; number and pattern of tubes — 8 стр.

Действует

Tubular heat exchangers with two fixed heads - Part 1: Internal tube type 25, triangular tube pitch 32 - Number and pattern of tubes — 19 стр.

Отменен

Fixed head tubular heat exchangers with type 25 tubes and triangular 32 tube pitch; number and pattern of tubes — 8 стр.