ADVITAM
MEASURING, WEIGHING, MONITORING APPARATUS AND INSTRUMENTS, NAMELY, APPARATUS AND INSTRUMENTS FOR CONTINUOUS MONITORING OF STRUCTURES AND FOR DETECTING AND LOCALIZING BREAKS IN CABLES, STRANDS AND WIRES, ULTRASOUND TENSIOMETER FOR PRESTRESSED BARS, APPARATUS AND INSTRUMENTS FOR DETERMINING THE ACOUSTIC CHARACTERISTIC OF A PRESTRESSED BAR, ALREADY UNDER TENSION OR NOT, AND FOR CALCULATING THE RESIDUAL STRESS OF PRESTRESSING BY SIMPLE MEASURE OF THE TRAVELLING TIME OF AN ULTRASONIC WAVE, APPARAT...
Cancelled · March 1, 2002 · 76377309 ·
