Item:Q4656: Difference between revisions
Created a new Item: geologic time scale, a system of chronological dating that classifies geological strata (stratigraphy) in time |
Created claim: subclass of (P1): technical standard (Q1119) |
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| Property / instance of: periodization / rank | |||
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| Property / instance of: chronostratigraphic classification scheme / rank | |||
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| Property / subclass of: technical standard / rank | |||
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