TCVN 5858-1994
Precious stones.Testting absorbtion spectrum

Standard No.

TCVN 5858-1994

Release Date

2008

Published By

VN-TCVN

Latest

TCVN 5858-1994

TCVN 5858-1994 history

• 2008 TCVN 5858-1994 Precious stones.Testting absorbtion spectrum