IJSSELMEER (NORTH SEA)
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BTWATERS AROUND THE FRIESIAN ISLANDS + GERMAN COASTAL WATERS + GERMAN BIGHT (NORTH SEA)
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UDC(261.262*ZUIDERZEE)
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Descriptor GERIJSSELMEER (NORDSEE)
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Descriptor ENGIJSSELMEER (NORTH SEA)
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Descriptor FREIJSSELMEER (MER DU NORD)
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Variant GERZUIDERZEE (NORDSEE)
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Variant ENGZUIDERZEE (NORTH SEA)
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Variant FREZUIDERZEE (MER DU NORD)