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تاریخچه استاندارد
ASSE(SAFE) A10.12  
ASSE(SAFE) A10.12 2022  
Safety Requirements for Excavation American National Standard Construction and Demolition Operations
5000000 ریال  
ASSE(SAFE) A10.12  
ASSE(SAFE) A10.12 2016  
Safety Requirements for Excavation American National Standard Construction and Demolition Operations
5000000 ریال  
ASSE(SAFE) A10.12  
ASSE(SAFE) A10.12 2010  
Safety Requirements for Excavation American National Standard Construction and Demolition Operations
3000000 ریال  




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