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1. Scope 1.1 This Standard applies to the construction and performance of automatically operated damper devices (herein referred to as devices) intended for installation in flue pipes serving automatically operated oil-fired appliances. Note: Also i

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CAN3-B255-M81 (R2005) Mechanical Flue-Gas Exhausters 现行 发布日期 :  1970-01-01 实施日期 : 

This PDF includes GI #2. 1. Scope 1.1 This Standard applies to mechanical flue-gas exhausters intended to be installed in a flue pipe, breeching, or chimney and serving appliances burning natural gas, propane, or fuel oil. 1.2 This Standard cove

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