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消防用软管阀门
UL Standard for Safety Hose Valves for Fire-Protection Service (Tenth Edition; Reprint with Revisions Through and Including July 12@ 2016)
参考页数：26P.;A4
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电动阀
UL Standard for Safety Electrically Operated Valves (Seventh Edition; Reprint with revisions through and including June 20@ 2018)
参考页数：94P.;A4
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防火用干式管和喷洒活门
UL Standard for Safety Dry Pipe and Deluge Valves for Fire-Protection Service (Seventh Edition; Reprint with Revisions Through and Including July 3@ 2018)
参考页数：44P.;A4
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防火设施用报警阀门
UL Standard for Safety Alarm Valves for Fire-Protection Service (Tenth Edition; Reprint with Revisions Through and Including January 11, 2013)
参考页数：36P.;A4
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储水系统用自动排水阀
UL Standard for Safety Automatic Drain Valves for Standpipe Systems (Third Edition)
参考页数：14P.;A4
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防火设施用干管阀门的安全快速开启装置用UL标准.第3版
UL Standard for Safety Quick Opening Devices for Dry Pipe Valves for Fire Protection Service (Third Edition; Reprint with Revisions Through and Including July 13@ 2018)
参考页数：20P.;A4
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喷洒灭火系统用泄压阀
UL Standard for Safety Pressure Relief Valves for Sprinkler Systems (First Edition; Reprint with Revisions Through and Including August 4@ 2017)
参考页数：14P.;A4
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消防泵安全阀
UL Standard for Safety Fire Pump Relief Valves (Fourth Edition; Reprint with revisions through and including April 12@ 2018)
参考页数：16P.;A4
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法兰连接铁制和铜制球阀
Flanged iron and copper ball valves
价格：￥0.00
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石油和天然气工业管线输送系统用全焊接球阀
Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries
价格：￥0.00
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