Overall, the construction and arrangement of a sound silenced window frame jamb liner sash guide pocket 28 with {HEAD ~ resilient material} 44 attached to portions of inner surfaces 38 along substantially the entire length of {TAIL ~ movement} of an associated window sash spring balance 34 provides ease of use and manufacture, and excellent cost effectiveness 
Overall , the construction and arrangement of a sound silenced window frame jamb liner sash guide pocket 28 with { HEAD ~ resilient material } 44 attached to portions of inner surfaces 38 along substantially the entire length of { TAIL ~ movement } of an associated window sash spring balance 34 provides ease of use and manufacture , and excellent cost effectiveness
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