000 00418pam a2200133a 44500
082 _aBTL
_bB-473
100 _aBlattner,D G,Bostwick,L G
245 1 _aLOUD SPEAKERS FOR USE IN THEATERS
260 _a
_b
_c1930
300 _a10
500 _aBound With Btl B-403-72 Lack No.404,406-08,418,421-22,424-26,428,431-32,435-37-39,441-45,447-48,450-53,456-59,461,463-64,466-68,470
964 _gCIRC
997 _aTR16482 C
999 _c402216
_d402216