Marine Research issue of Sweden
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Short desc: Marine Research
Issuer: Sweden Date: 10/6/1979 Sort position: 2 Consists of 5 stamps: (See stamps as list) 1.70kr d=Age Determination - Atlantic Herring Clupea harengus perf=12.5h 1.70kr dkviobrn d=Acoustic mapping perf=12.5h 1.70kr d=Algae bloom 1.70kr dkviobrn d=Distribution of Herring 1.70kr d=the Argos perf=12.5h Record of changes |
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