| 000 | 004410000a22001450004500 | ||
|---|---|---|---|
| 027 |
_aBS 1772 : 1972 _q1972 |
||
| 041 | _aeng | ||
| 080 |
_a771.531.32.068.065 _b |
||
| 942 | _cSD | ||
| 110 | _aBRITISH STANDARDS INSTITUTION | ||
| 245 | _aBS 1772 : 1972 : Specification for sizes of black-and-white photographic sheet film for general, professional and industrial use | ||
| 260 |
_aLondon _bB.S.I. _c1972 |
||
| 300 | _a6p. | ||
| 500 | _aSTD492 | ||
| 999 |
_c24766 _d24766 |
||