DIN ISO 4505:1991-07

Отменен

Hardmetals; metallographic determination of porosity and uncombined carbon; identical with ISO 4505:1978 — 7 стр.

Заменен на

DIN EN ISO 4499-4:2016-10

ICS

77.160 Powder. Including sintered metal materials and hardmetals / Порошковая металлургия