BUREAN OF INDIAN STANDARDS INSTITUTION
Is: 1633-1979 Methods for Testing Just Cordeger For Resistance to Attack by Micro organisms - New Delhi BIS, Manak Bhavan 9 Bahadur shah Zafar marg 1979 - 14p
Is: 1633-1979
Is: 1633-1979 Methods for Testing Just Cordeger For Resistance to Attack by Micro organisms - New Delhi BIS, Manak Bhavan 9 Bahadur shah Zafar marg 1979 - 14p
Is: 1633-1979