Choudhury,S.K.Hajra
Elements of Workshop Technology Vol I - 18th Ed. - Bombai Media Promoters and Publishers PVT.LTD. 1979 - p.457
8185099154
TAPPING AND SCREWING FERROUS METALS
621.75 H154
Elements of Workshop Technology Vol I - 18th Ed. - Bombai Media Promoters and Publishers PVT.LTD. 1979 - p.457
8185099154
TAPPING AND SCREWING FERROUS METALS
621.75 H154