NF S94-090:1997 Medico-surgical equipment. Materials for ancillary positioning instruments for bone surgery. Martensitic, precipitation hardening, austenitic and austeno-ferritic stainless steels.
2005NF S94-090:2005 Medico-surgical equipment - Materials for ancillary positioning instruments for surgical instrument - Martensitic, precipitation hardening, austenitic and austeno-ferritic stainless steels.
0000 NF S94-090:2001
1997NF S94-090:1997 Medico-surgical equipment. Materials for ancillary positioning instruments for bone surgery. Martensitic, precipitation hardening, austenitic and austeno-ferritic stainless steels.