Department of Trade and Industry- DTI Department Administrative Order (DAO) No. 22-03 Series of 2022-The New Technical Regulations Concerning the Mandatory Product Certification of Concrete Masonry Units

Department of Trade and Industry- DTI Department Administrative Order (DAO) No. 22-03 Series of 2022-The New Technical Regulations Concerning the Mandatory Product Certification of Concrete Masonry Units was issued on 24 June 2022.

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