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ASSP A10.18  
ASSP A10.18 2023  
Safety Requirements for Temporary Roof and Floor Holes,Wall Openings, Stairways, and Other Unprotected Edges in Construction and Demolition Operations
5000000 ریال  
ASSP A10.18  
ASSP A10.18 2012  
Safety Requirements for Temporary Roof and Floor Holes,Wall Openings, Stairways, and Other Unprotected Edges in Construction and Demolition Operations
5000000 ریال  




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