No Inv.: 65464-65466/P/00/2c
No Inv.: 4314-4316/P/99/3c~129925/S/Perp/11/1c
No Inv.: 4475/P/00/1c
No Inv.: 4812,4813,4815/S/00/3c~88969-88970/P/Perp/04/2c
Judul asli :"Prestressed concrete"
No Inv.: 125227-125231/P/Perp/10/5c
No Inv.: 74874/S/01/1c
No Inv.: 77244/01/1c
No Inv.: 77821-77826/01/6c
No Inv.: 32672/01/1c