![](http://www.alamy.com/thumbs/6/19643DF4-C685-4CF8-9901-87618FE331B6/2AM8022.jpg)
Effect on entrapped air on the action of wet pipe alarm valves . I s3 :3Hn[H^P^^B^^»l :; JCJ aI ^^^^^^^Ki^^^^^^^^^^^^^^^^^^H^ Ui.
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookideffectonentrappe00aher