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Engineering Society Building
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Engineering Triumphs Alter Landscapes
engineering symbols
Short desc: engineering symbols
This design is used by 4 stamps:
(See all uses as list)
Sweden 5/27/1963 50o gray perf=*s3
Sweden 5/27/1963 50o gray perf=*v
Sweden 5/27/1963 1.05kr org perf=*v
Canada 5/19/1987 36(c) issue=Engineering Institute of Canada 100th perf=12.5x13
