000 00516pam a2200169a 44500
003 OSt
005 20211118095830.0
008 160408b1970 xxu||||| |||| 00| 0 eng d
040 _cIITK
041 _aeng
082 _a537.24
_bG933e
245 1 _aइलेक्ट्रेट ELECTRET
_cedited by Singh, Nandlal; translated by Dhanwant Kishor Gupt
260 _c1970
_aNew Delhi
_bVegyanik Tatha Takniki Sabdawali Aayog
700 _aSingh, Nandlal [ed.]
700 _aGupt, Dhanwant Kishor [tr.]
942 _cBK
999 _c282016
_d282016