ProclamationNational
Proclamation No. 2056, s. 1981 - Signed on February 9, 1981: Declaring the week from February 8 to 15, 1981, as Chemical Engineering Week.
Signed on February 9, 1981: Declaring the week from February 8 to 15, 1981, as Chemical Engineering Week.
February 9, 1981
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Proclamation No. 2056, s. 1981 - Signed on February 9, 1981: Declaring the week from February 8 to 15, 1981, as Chemical Engineering Week.. BatasPH. Approved February 9, 1981. https://batasph.thirdygayares.com/proclamations/proclamation-no-2056-s-1981