Prev: Chemical Attack on Halabja (Iran)
Next: Chemical Engineering Seminar (Dominican Republic)

chemical engineering school 25th issue of Mexico

  • Colnect-2156-427-Unsaturated-Hydrocarbon-Molecule.jpg
Short desc: chemical engineering school 25th

Issuer: Mexico
Date: 12/7/1973
Sort position: 6
Occasion: chemical engineering school founding
Number/Year: 25


Consists of 1 stamp: (See stamps as list)

40c d=stylized hydrocarbon molecule

All are wmk=MEX & eagle perf=14