| Being produced by various Building Centres and private entrepreneurs. | |
|---|---|
| Developed by | CBRI, Roorkee |
| Working specification by BMTPC including manufacturing method | BM 03 |
| National standard framed | IS 13757: 1993 |
|
|
| Being produced by various Building Centres and private entrepreneurs. | |
|---|---|
| Developed by | CBRI, Roorkee |
| Working specification by BMTPC including manufacturing method | BM 03 |
| National standard framed | IS 13757: 1993 |
|
|
|