JPH0260823B2 - - Google Patents

Info

Publication number
JPH0260823B2
JPH0260823B2 JP56157712A JP15771281A JPH0260823B2 JP H0260823 B2 JPH0260823 B2 JP H0260823B2 JP 56157712 A JP56157712 A JP 56157712A JP 15771281 A JP15771281 A JP 15771281A JP H0260823 B2 JPH0260823 B2 JP H0260823B2
Authority
JP
Japan
Prior art keywords
outer frame
plate
inner frame
ceiling
frame
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.)
Expired - Lifetime
Application number
JP56157712A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5858362A (ja
Inventor
Takehiko Okujima
Tatsuo Shoji
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 JP15771281A priority Critical patent/JPS5858362A/ja
Publication of JPS5858362A publication Critical patent/JPS5858362A/ja
Publication of JPH0260823B2 publication Critical patent/JPH0260823B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Impact Printers (AREA)
  • Glass Compositions (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Hinges (AREA)
JP15771281A 1981-10-03 1981-10-03 点検口 Granted JPS5858362A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15771281A JPS5858362A (ja) 1981-10-03 1981-10-03 点検口

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15771281A JPS5858362A (ja) 1981-10-03 1981-10-03 点検口

Publications (2)

Publication Number Publication Date
JPS5858362A JPS5858362A (ja) 1983-04-06
JPH0260823B2 true JPH0260823B2 (forum.php) 1990-12-18

Family

ID=15655719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15771281A Granted JPS5858362A (ja) 1981-10-03 1981-10-03 点検口

Country Status (1)

Country Link
JP (1) JPS5858362A (forum.php)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211623A (en) * 1975-07-18 1977-01-28 Hiromitsu Naka Method of executing ceiling inspection port
JPS5338350U (forum.php) * 1976-09-08 1978-04-04
JPS5561138U (forum.php) * 1978-10-20 1980-04-25
JPS5841154A (ja) * 1981-09-01 1983-03-10 株式会社ナカ技術研究所 天井点検口の固定装置

Also Published As

Publication number Publication date
JPS5858362A (ja) 1983-04-06

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