Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
621.353021 IS:203-1963 C14356
Indian Standards Institution Specification for dry batteries for flashlights 2nd rev. - New Delhi ISI 1963 12p. * Dry cells Primary batteries