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CHAIN SAW WITH CYCLICALLY RESTRICTED AND CONTINUOUSLY VENTED ACOUSTIC FILTERING
CHAIN SAW WITH CYCLICALLY RESTRICTED AND CONTINUOUSLY VENTED ACOUSTIC FILTERING
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机译:带循环限制和连续排气声过滤的链锯
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摘要
Apparatus for reducing the noise level of an operating chain saw characterized by synergistically interacting exhaust conduit means, surge chamber means, and acoustic filter means, possibly associated with arcuate deflector means or flexible reed, sound attenuating means.
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