Manufacture of mathematical instruments: foot rules, drawing boards and tee squares / India. Forest Research Institute and Colleges (FRIC)
Manufacture of mathematical instruments: foot rules, drawing boards and tee squares [printed text] / India. Forest Research Institute and Colleges (FRIC) ; , . - Dehra Dun : FRIC, 1977 . - , 6p, ,. Small scale industries no. 13 Languages : (En)
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