IFIP Congress 80 / Medinfo 80 issue of Japan
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Short desc: IFIP Congress 80 / Medinfo 80
Issuer: Japan Date: 9/29/1980 Occasion: unset Consists of 1 stamp: (See stamps as list) 50y d=integrated circuit All are perf=13.25 Record of changes |
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Short desc: IFIP Congress 80 / Medinfo 80
Issuer: Japan Date: 9/29/1980 Occasion: unset Consists of 1 stamp: (See stamps as list) 50y d=integrated circuit All are perf=13.25 Record of changes |
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