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si ordinary level engineering drawing solutions 2: / e.w. thetford - 1 ed. - uk : oliver and boyd 1974. - ", 126p.; 30 cm."
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si ordinary level engineering drawing solutions 2: / e.w. thetford - 1 ed. - uk : oliver and boyd 1974. - ", 126p.; 30 cm."
0 05 002400 0
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