ISO 10303-214:2010(E)
A Feature_parameter is the representation of a characteristic of a Feature_definition.
The data associated with a Feature_parameter are the following:
The parameter_name specifies the character, abbreviation, or word by which the Feature_parameter is referred to.
EXAMPLE 'a', 'b1', and 'r' are typical examples for the parameter_name.
The parameter_name need not be specified for a particular Feature_parameter.
The parameter_value specifies the value of the Feature_parameter.
NOTE This includes information about units and possibly about limitations such as tolerances.
See feature_parameter to value_with_unit for the application assertion.
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