I. S. Specification for Bookbinding leather Is 2960 : 1964
ISI
I. S. Specification for Bookbinding leather Is 2960 : 1964 - New Delhi Indian Standards Institute 1965 - 16 p
I. S. Specification for Bookbinding leather Is 2960 : 1964 - New Delhi Indian Standards Institute 1965 - 16 p