ProclamationNational
Proclamation No. 1156, s. 1973 - Signed on July 2, 1973: Declaring the period from July 8 to 14, 1973 as Chemical Engineering Week
Signed on July 2, 1973: Declaring the period from July 8 to 14, 1973 as Chemical Engineering Week
July 2, 1973
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Proclamation No. 1156, s. 1973 - Signed on July 2, 1973: Declaring the period from July 8 to 14, 1973 as Chemical Engineering Week. BatasPH. Approved July 2, 1973. https://batasph.thirdygayares.com/proclamations/proclamation-no-1156-s-1973