000 00269nam a2200109Ia 4500
008 220201s1965 xx 000 0 eng d
100 _aI.S.I
245 0 _aIS 2382-1970 Mounting dimensions of loudspeakers
260 _bI.S Insitute
_c1965
300 _a12
942 _2ddc
999 _c78690
_d78690