
Dentistry; Alloys For Dental Amalgam
出版:Swiss Standards

专家解读视频
Specifies requirements and methods of test for alloys composed mainly of silver, tin and copper, complying with the composition requirements in either the powder or tablet form, suitable for the preparation of dental amalgam.
NFS 91 201 : 1986 - Identical
DIN EN 21559 : 1992 - Identical
DIN EN 21559 (1992-03) - Identical
ISO 1559:1995 - Identical