| 000 | 005440000a22001450004500 | ||
|---|---|---|---|
| 027 |
_aBS 787 : pt.4: 1972 _q1972 |
||
| 080 |
_a622.005:621.316.36-213.34:622.233-83 _b |
||
| 942 | _cSD | ||
| 110 | _aBRITISH STANDARDS INSTITUTE | ||
| 245 | _aBS 787 : pt.4: 1972 : specification for mining type flameproof gate-end boxes : pt.4 Gate-end boxes for drilling machines(for use on 3-phase a.c. circuits up to 650 v) | ||
| 260 |
_aLondon _bBritish Standards Institute _c1972 |
||
| 300 | _a24p.: ill. | ||
| 500 | _aSTD 179 | ||
| 650 | _aBRITISH STANDARDS | ||
| 999 |
_c23977 _d23977 |
||