DIN EN ISO 4507:2007-05 Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000); German version EN ISO 4507:2007
2007DIN EN ISO 4507:2007-05 Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000); German version EN ISO 4507:2007
2007DIN EN ISO 4507:2007 Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000)English version of DIN EN ISO 4507:2007-05