Title:
BUILDING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/085360
Kind Code:
A1
Abstract:
Building material (1) faces a first space and comprises a flat structure (14) in which an opening (15, 16) is formed, a first speaker (21) that is disposed in a position opposite to the opening (15, 16) in a second space on the side opposite to the first space across the structure (14), and a solid mesh structure (30) that is disposed between the structure (14) and the first speaker (21) and that is made from a fibrous material intertwined into a three-dimensional shape.
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WO/2017/076074 | MODULAR INTERIOR PARTITION WALL PANEL |
WO/1988/000268 | A METHOD AND AN ARRANGEMENT FOR PACKAGING TWO OR MORE PLASTER BOARDS |
Inventors:
KAWAMURA AKIHISA
SAIKI SHUJI
TAKAYAMA SATOSHI
SAIKI SHUJI
TAKAYAMA SATOSHI
Application Number:
PCT/JP2020/040043
Publication Date:
May 06, 2021
Filing Date:
October 26, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
E04C2/52; D04H3/14; H04R1/02
Foreign References:
JPS52154238U | 1977-11-22 | |||
JP2006093809A | 2006-04-06 | |||
JPS5623979Y2 | 1981-06-05 | |||
JPS492192Y1 | 1974-01-19 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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