188 صفحه pdf
NFPA 25
ویرایش 2017
Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems
NFPA 25:2017-Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems
188 صفحه pdf
NFPA 25
ویرایش 2017
Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems