00447nam a2200169Ia 4500 170901s1964 xx 000 0 und d 621.815 D48M Troitsky, A. Machine Elements A text book 2 Moscow Mir Publishers 1964 492 Engineering and allied operations Technology (Applied sciences) Machine design ddc BK 11815 11815 0 0 ddc 0 0 RAU RAU 2017-10-18 Punjab Book Centre, Chandigarh 14.50 0 621.815 D48M 25598 2017-10-18 1981-06-03 BK