000			00380pam a2200133a 44500
082			_aBTS _bMONO B-1051
100			_aBest,F H
245	1		_aTRANSMISSION MEASUREING SYSTEMS FOR TELEPHONE CIRCUIT MAINTENANCE
260			_a _b _c1937
300			_a15
500			_aBound With Bts Mono B-1031-1048, 1052-1059, Lack No. 1032-33,41,47,49,50
964			_gCIRC
997			_aTR17428 C
999			_c401681 _d401681