BOS 73:2004
Cocrete non-pressure pipes
Licence No : SM/04-01
Valid from 14 July 2004
Expires on 14 July 2007
Licence Renewed
BOS 74:2004
Cocrete reinforced culverts
Licence No : SM/04-02
Valid from 14 July 2004
Expires on 14 July 2007
Licence Renewed
BOS 76:2004
Pre-cast manhole sections,
Pre-cast manhole slabs
Licence No : SM/04-03
Valid from 14 July 2004
Expires on 14 July 2007
Licence Renewed