Indian standard (IS 456: 2000)
Bureau of Indian Standard
Indian standard (IS 456: 2000) - New Delhi, Bureau of Indian Standard 2000 - 100
08088
820
624.183 / BIS-I
Indian standard (IS 456: 2000) - New Delhi, Bureau of Indian Standard 2000 - 100
08088
820
624.183 / BIS-I