JPS57191283A - Sound-absorptive material - Google Patents

Sound-absorptive material

Info

Publication number
JPS57191283A
JPS57191283A JP7539781A JP7539781A JPS57191283A JP S57191283 A JPS57191283 A JP S57191283A JP 7539781 A JP7539781 A JP 7539781A JP 7539781 A JP7539781 A JP 7539781A JP S57191283 A JPS57191283 A JP S57191283A
Authority
JP
Japan
Prior art keywords
sound
absorptive material
absorptive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7539781A
Other languages
Japanese (ja)
Inventor
Hidefusa Uchikawa
Hideharu Tanaka
Mutsuo Sekiya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7539781A priority Critical patent/JPS57191283A/en
Publication of JPS57191283A publication Critical patent/JPS57191283A/en
Pending legal-status Critical Current

Links

JP7539781A 1981-05-18 1981-05-18 Sound-absorptive material Pending JPS57191283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7539781A JPS57191283A (en) 1981-05-18 1981-05-18 Sound-absorptive material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7539781A JPS57191283A (en) 1981-05-18 1981-05-18 Sound-absorptive material

Publications (1)

Publication Number Publication Date
JPS57191283A true JPS57191283A (en) 1982-11-25

Family

ID=13575004

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7539781A Pending JPS57191283A (en) 1981-05-18 1981-05-18 Sound-absorptive material

Country Status (1)

Country Link
JP (1) JPS57191283A (en)

Similar Documents

Publication Publication Date Title
GB2096536B (en) Protective material
GB2149482B (en) Projectile-proof material
DE3274320D1 (en) Photomask material
DE3274008D1 (en) Friction material
JPS57163654A (en) Packing material
PT74591A (en) Improved wing-sail
CS842681A2 (en) Material pro elektricke kontakty
JPS57103647A (en) Antithrombus material
GB2109302B (en) Sheet material
GB2093403B (en) Sheet material
DE3369646D1 (en) Blood-treating material
JPS57190657A (en) Crushing material
JPS57183356A (en) Construction material
JPS57150566A (en) Mounting-repairing surface material
JPS57157408A (en) Slide material
GB2103637B (en) Adsorptive material
DE3273811D1 (en) Electrode material
JPS56160362A (en) Foam-solidifying material
JPS57158636A (en) Thermo-photographic material
ZA824623B (en) Compound material
JPS57135774A (en) Machine-workable ceramic material
JPS57144757A (en) Packing material
JPS57140160A (en) Packing material
JPS57187463A (en) Roofing material
CS776081A1 (en) Izolacny material pojeny cementom