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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0128208 (1987-12-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
Ventilated soundproof glass including at least two sheets of glass and one sheet of plastic film in between. These two sheets of glass and the sheet of plastic film have holes arranged in them. The sides of the two sheets of glass adjacent to the sheet of plastic film have grooves, by which the air
Ventilated soundproof glass comprising: at least a first and a second sheet of glass with one sheet of plastic film there between, wherein said sheets of glass and said sheet of plastic film have a plurality of holes therein respectively; said holes of said first and second sheet of glass, and said
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