Pre_defined_datum_symbol

s	Pdds_non_feature_shape_model_subtypes
s	Pdds_shape_definition_3d_intersection_subtypes
e	Pre_defined_parallel_datum_axis_symbol_3d_2d_relationship
e	Pre_defined_perpendicular_datum_axis_symbol_3d_2d_relationship
e	Pre_defined_perpendicular_datum_plane_symbol_3d_2d_relationship