000 00421cam a2200181ua 4500
020 _c40.00
041 _aeng
_h
082 _a621.30289
_bSWA/EL
100 _aSwann, H W .
245 _aElectrical safety /
_cH W Swann.
_hTextual Documents
250 _a1 /
_b.
260 _aLondon :
_bMac Donald ,
_c1959.
300 _a292 ; .
365 _a40.00
504 _a
942 _cBK
999 _c256043
_d256043