계단식 내부 채움을 포함한 흡음구조체

Author
문명운이영아권오창
Assignee
한국과학기술연구원
Regitration Date
2023-01-10
Registration No.
11551655
Application Date
2019-12-11
Application No.
16/710,374
Country
US
URI
https://pubs.kist.re.kr/handle/201004/94771
Appears in Collections:
KIST Patent > 2019
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