| 000 | 003920000a22001450004500 | ||
|---|---|---|---|
| 027 | _aBS 1635 : 1970 | ||
| 041 | _aeng | ||
| 080 |
_a003.62 _b: 614.84 : 699.81 |
||
| 942 | _cSD | ||
| 110 | _aBRITISH STANDARDS INSTITUTION | ||
| 245 | _aBS 1635 : 1970 : Graphical symbols and abbreviations for fire protection drawings | ||
| 260 |
_aLondon _bB.S.I. _c1950 |
||
| 300 | _a19p. | ||
| 500 | _aSTD417 | ||
| 999 |
_c24724 _d24724 |
||