00690nam a2200181Ia 450000100060000000300040000600500170001000800410002704000110006804100080007908200210008710000950010824501610020326000200036494200070038499900110039195201060040220334Ost20260507154546.0251113s9999||||xx |||||||||||||| ||eng||  cnitttr  aeng  a624.183412bI8P   aInternational sysmposium on noteworthy developments in prestressed and precast concrete ,  0aPrestressed & precast concrete.. /cInternational sysmposium on noteworthy developments in prestressed and precast concrete ( 28-29 Sep., 1989 : Singapore )  aSingaporec1989  cBK  c70d70  00104070aNITTTRbNITTTRd2026-05-07l0o624.183412 I8Pp37041r2026-05-07 15:45:46w2026-05-07yBK