PATAHNYA PEGAS ULIR KERETA API AKIBAT KELEBIHAN BEBAN THE BREAKING OF TRAIN SPRING COIL CAUSED BY OVERWEIGHT

1 Patahnya Pegas Ulir Kereta Api Akibat Kelebihan Beban (M.N.Setia Nusa) PATAHNYA PEGAS ULIR KERETA API AKIBAT KELEBIHAN BEBAN THE BREAKING OF TRAIN S...
Author:  Suparman Budiaman

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