Manufacture of insulation and pressed boards, wrapping-papers and straw-boards f
Bhargava, M.P., Nayer, A.N.
Manufacture of insulation and pressed boards, wrapping-papers and straw-boards f - New Delhi 1941 - 21 p. & 6 pls. - No. 44; India, Imperial Counc .
676.4
Manufacture of insulation and pressed boards, wrapping-papers and straw-boards f - New Delhi 1941 - 21 p. & 6 pls. - No. 44; India, Imperial Counc .
676.4