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catalytic cracker (1970)

  • Colnect-172-118-Oil-Refinery-in-Porto.jpg
  • Colnect-172-120-Oil-Refinery-in-Porto.jpg
Short desc: catalytic cracker (1970)


Things in this design:
factory catalytic cracker

This design is used by 2 stamps: (See all uses as list)
6/5/1970 2.80e
6/5/1970 6e

All are Portugal issue=Oporto refinery opening perf=13.5






Record of changes


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