NF S91-228:1992
DENTAL GYPSUM-BONDED CASTING INVESTMENTS FOR GOLD ALLOYS. (EUROPEAN STANDARD EN 27490).

Standard No.

NF S91-228:1992

Release Date

1992

Published By

Association Francaise de Normalisation

Status

Withdraw

Replace By

NF S91-228:2001

Latest

NF S91-259:2016

NF S91-259*NF EN ISO 15912:2016

NF S91-228:1992 history

• 0000 NF S91-259:2016
• 2006 NF S91-259:2006 Dentistry - Casting investments and refractory die materials.
• 0000 NF S91-228:2001
• 1992 NF S91-228:1992 DENTAL GYPSUM-BONDED CASTING INVESTMENTS FOR GOLD ALLOYS. (EUROPEAN STANDARD EN 27490).