Department Administrative Order No. 9, s. 1991
Amending DTI-DAO No. 7, series of 1990 – Policies and Guidelines on Metrication
Date of Issuance – July 23, 1991
Amending DTI-DAO No. 7, series of 1990 – Policies and Guidelines on Metrication
Date of Issuance – July 23, 1991