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SUBTYPE_CONSTRAINT pdds_shape_definition_3d_intersection_subtypes FOR Shape_definition_3d_intersection; ONEOF (Pre_defined_perpendicular_datum_plane_symbol_3d_2d_relationship, Pre_defined_perpendicular_datum_axis_symbol_3d_2d_relationship, Pre_defined_parallel_datum_axis_symbol_3d_2d_relationship); END_SUBTYPE_CONSTRAINT; -- pdds_shape_definition_3d_intersection_subtypes |