IS:1378-1979. Indian standard specification for oxidized-copper finishes.
Indian Standards Institution[ISI]
IS:1378-1979. Indian standard specification for oxidized-copper finishes. - New Delhi Indian Standards Institution 1979 - 5p.
ENG
IS CODE / I.S.I
IS:1378-1979. Indian standard specification for oxidized-copper finishes. - New Delhi Indian Standards Institution 1979 - 5p.
ENG
IS CODE / I.S.I