| 000 | 00345pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 2184 |
||
| 100 | _aHuntley,H R | ||
| 245 | 1 | _aTRANSMISSION DESIGN OF INTERNOLL TELEPHONE TRUNKS | |
| 260 |
_a _b _c1953 |
||
| 300 | _a18 | ||
| 500 | _aBonud With Bts Mono 2181-2183,2185-2198 Lack No.2197 | ||
| 964 | _gCIRC | ||
| 997 | _aTR20055 C | ||
| 999 |
_c403690 _d403690 |
||