ISO 10303-214:2010(E)
A Physical_instance is the denomination of a physically realized object. A Physical_instance may be identified by a serial number. A lot id may be provided additionally to the serial number.
The data associated with a Physical_instance are the following:
The description specifies additional information about the Physical_instance.
See physical_instance to multi_language_string for the application assertion.
The description need not be specified for a particular Physical_instance.
If present, there shall be exactly one object that defines the description for a Physical_instance.
The inventory_number specifies an alphanumerical string to identify an item in the detailed list of articles, such as goods and chattels, found in the possession of a person or enterprise.
The inventory_number need not be specified for a particular Physical_instance.
The is_realization_of specifies the Product_identification or the Design_discipline_item_definition that collects the information defining the Physical_instance.
If the Physical_instance plays the role of the root assembly in a physical assembly structure this attribute shall not be omitted. In other cases the information is redundant and shall be consistent with the 'is_realization_of ' of Physical_assembly_relationship.
See physical_instance to design_discipline_item_definition and physical_instance to product_identification for the application assertions.
The is_realization_of need not be specified for a particular Physical_instance.
If present, there shall be exactly one object that the Physical_instance is_realization_of.
The lot_id specifies the identifier of the lot the Physical_instance is part of.
The lot_id need not be specified for a particular Physical_instance.
The serial_number is an identifier that distinguishes one Physical_instance from another.
The serial_number need not be specified for a particular Physical_instance.
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