| 000 | 00309nam a22001097a 4500 | ||
|---|---|---|---|
| 082 | _a621.833 BRI'B | ||
| 100 |
_aBRITISH STANDARDS INSTITUTE _977757 |
||
| 245 | _aBRITISH STANDARDS SPECIFIACTION FOR MACHINE AND GEARS A HELICAL AND STRAIGHT SPUR | ||
| 260 |
_aLONDON _bBSI _c1940 |
||
| 300 | _a47P | ||
| 942 | _cBK | ||
| 999 |
_c582974 _d582974 |
||