RESONATOR AND AIR FLOW PIPE HAVING RESONATOR
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United States of America Patent
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Issued Date -
Nov 17, 2016
app pub date -
Sep 28, 2015
filing date -
Sep 28, 2015
priority date (Note) -
Abandoned
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Abstract
A resonator according to this disclosure includes a volume chamber and a communicating portion. The volume chamber and an air flow passageway of an air flow pipe can be brought into communication with each other by the communicating portion, and at least a portion of the communicating portion provides an air-permeable portion formed from an air-permeable material.
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