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(P1247)
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compression ratio
compression ratio of an engine
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Data type
Quantity
Statements
instance of
Wikidata property for items about engineering
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Wikidata property related to ratios and proportions
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subject item of this property
compression ratio
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Wikidata property example
Gnome-Rhône Mistral Major
compression ratio
5.5±0
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property usage tracking category
Category:Pages using Wikidata property P1247
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property proposal discussion
https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/24#P1247
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Constraints
property constraint
type constraint
class
reciprocating engine
relation
subclass of
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range constraint
maximum value
40
minimum value
1.0001
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allowed units constraint
item of property constraint
no value
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property scope constraint
constraint status
mandatory constraint
property scope
as main value
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