ISO 10303-214:2010(E)
An Externally_defined_size_dimension is the definition of a dimension that is defined in an external document. Each Externally_defined_size_dimension shall be referenced by a Document_assignment.
An Externally_defined_size_dimension is a type of Size_dimension.
The data associated with an Externally_defined_size_dimension are the following:
The name specifies the word or group of words used to refer to theExternally_defined_size_dimension.
The used_path specifies the Measurement_path along which the size is applied or measured.
See Externally_defined_size_dimension to measurement_path for the application assertion.
The used_path need not be specified for a particular Externally_defined_size_dimension.
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