000			00402pam a2200145a 44500
082			_aBTL _bB-165
100			_aClark,A B
245	1		_aECHO SUPPRESSORS FOR LONG TELEPHONE CIRCUITS
260			_a _b _c1925
300			_a24
500			_aBound With Btl B-140-163,168-200, Lack No. 142-56,61-62,64,66,67,170-181,83-84,86,90,93-94,98
700			_aMathes,R C
964			_gCIRC
997			_aTR17389 C
999			_c403953 _d403953