000 00293nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
100 _aSHARMA M C
245 0 _aSIMPLE CRYSTAL DIODE CIRCUITS
250 _a2
260 _aDELHI
_bBUSINESS PROMOTION BUREAU
_c1977
300 _a35
942 _2ddc
999 _c90326
_d90326