Geometrical design and strength check of 15 springs types Shareware, $32.00 USD
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Downloads: 51
Size: 2075 K
Date: 2012-08-31
Keywords: Spring, springs, cylindrical spring, compression spring, helical spring, conical springs, spiral springs, belleville, torsion bar springs, leaf springs, EN 13906-1
Plays School or Church Bells at pre-scheduled times Shareware, $34.99 USD
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Downloads: 90
Size: 619 K
Date: 2004-03-12
Keywords: belltimer, school bell system, church bell timer, church bell system, school, bells, bell, automatic, time, times, timers, automated, player, system, software, program, programs, chime, chimes