| 000 | 00436pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTL _bMONO B-221 |
||
| 100 | _aWilburn,S D | ||
| 245 | 1 | _aLINE CURRENT REGULATION IN BRIDGE POLAR DUPLEX TELEGRAPH CIRCUITS | |
| 260 |
_a _b _c1926 |
||
| 300 | _a11 | ||
| 500 | _aBound With Btl Mono-B-201-220,222-275.Lack No-Btl Mono-202,204-206,208,211,216-217,219-220,226-251,256-260,262,264-268,272-274 | ||
| 964 | _gCIRC | ||
| 997 | _aTR16436 C | ||
| 999 |
_c401788 _d401788 |
||