| 000 | 00528nam a22002057a 4500 | ||
|---|---|---|---|
| 015 | _a202 | ||
| 041 | _a1 | ||
| 080 |
_a691.3 _bSOB |
||
| 100 | _aSobolev. | ||
| 245 | _aConcrete Block Making Machines | ||
| 260 |
_aHis Majesty's Stationery Office _bLondon _c1951 |
||
| 300 |
_a27p. _bILL.,Fig and Table |
||
| 490 |
_aSpecial Report No. _v 17 |
||
| 650 | _aBuilding and Construction | ||
| 852 | _a4L-2-3 | ||
| 999 |
_c3870 _d3870 |
||