JPS5460740A - Soundproof ventilating hole - Google Patents

Soundproof ventilating hole

Info

Publication number
JPS5460740A
JPS5460740A JP12578677A JP12578677A JPS5460740A JP S5460740 A JPS5460740 A JP S5460740A JP 12578677 A JP12578677 A JP 12578677A JP 12578677 A JP12578677 A JP 12578677A JP S5460740 A JPS5460740 A JP S5460740A
Authority
JP
Japan
Prior art keywords
ventilating hole
soundproof ventilating
soundproof
hole
ventilating
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.)
Granted
Application number
JP12578677A
Other languages
Japanese (ja)
Other versions
JPS5752505B2 (en
Inventor
Yoshihide Sugimoto
Kouji Honda
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.)
Naka Technical Laboratory Co Ltd
Original Assignee
Naka Technical Laboratory Co Ltd
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 Naka Technical Laboratory Co Ltd filed Critical Naka Technical Laboratory Co Ltd
Priority to JP12578677A priority Critical patent/JPS5460740A/en
Publication of JPS5460740A publication Critical patent/JPS5460740A/en
Publication of JPS5752505B2 publication Critical patent/JPS5752505B2/ja
Granted legal-status Critical Current

Links

JP12578677A 1977-10-21 1977-10-21 Soundproof ventilating hole Granted JPS5460740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12578677A JPS5460740A (en) 1977-10-21 1977-10-21 Soundproof ventilating hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12578677A JPS5460740A (en) 1977-10-21 1977-10-21 Soundproof ventilating hole

Publications (2)

Publication Number Publication Date
JPS5460740A true JPS5460740A (en) 1979-05-16
JPS5752505B2 JPS5752505B2 (en) 1982-11-08

Family

ID=14918815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12578677A Granted JPS5460740A (en) 1977-10-21 1977-10-21 Soundproof ventilating hole

Country Status (1)

Country Link
JP (1) JPS5460740A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01119002U (en) * 1988-01-29 1989-08-11
JPH01161203U (en) * 1988-04-28 1989-11-09

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4890416U (en) * 1972-02-02 1973-10-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4890416U (en) * 1972-02-02 1973-10-31

Also Published As

Publication number Publication date
JPS5752505B2 (en) 1982-11-08

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