System_identification_and_version

eu	Identification_assignment
du	Identification_item
eu	Product
eu	Product_category
eu	Product_category_assignment
eu	Product_category_hierarchy
eu	Product_version
eu	Product_version_relationship
eu	Supplied_part_relationship
e	System
d	System_and_version_identification_item
e	System_version
e	System_version_sequence