000 00242nam a2200073 4500
080 _a
_b
245 _aBS-1951 - 1953; Thermosetting synthetic-resin Bonded-paper Round tubes for use at radio frequencies
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1953
300 _a10p
999 _c24683
_d24683