SECONDARY SIZE
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS2229900
| Definition | A <SECONDARY SIZE> is an <IndirectProperty> that is a <NOMINAL SIZE> typically is for vents and drains in the context of a PIPING LINE LIST |
| ISO number | 20824 |
| RDS number | RDS2229900 |
| Source | ISO 15926 CR6 PROPERTY AND STATUS (VTver1) |