Is: 1725-1960 specification for soil cement blocks used in genral building construction
Indian Standard Institute
Is: 1725-1960 specification for soil cement blocks used in genral building construction - New Delhi Indian Standard Institute 1961 - 10
/ ISI
Is: 1725-1960 specification for soil cement blocks used in genral building construction - New Delhi Indian Standard Institute 1961 - 10
/ ISI