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TÜRK STANDARDITURKISH STANDARD
TS 2519Nisan 1989
ICS 93.020
1. Baskı
AHŞAP İKSA HESAP,YAPIM,BAKIM SÖKÜM VE DOLGULAMA KURALLARI Flanking Strutting and Supporting Trenches,Excavations and Their Construction , Maintenance and Dismantling
TÜRK STANDARDLARI ENSTİTÜSÜ Necatibey Caddesi No.112 Bakanlıklar/ANKARA
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