Fixed firefighting systems - Hose systems - Part 3: Maintenance of hose reels with semi-rigid hose and hose systems with lay-flat hose; German version EN 671-3:2009— 10 стр.
Fixed firefighting systems - Hose systems - Part 3: Maintenance of hose reels with semi-rigid hose and hose systems with lay-flat hose; German version EN 671-3:2000 + AC:2000— 7 стр.