JPS52130025A - Viewing window means - Google Patents

Viewing window means

Info

Publication number
JPS52130025A
JPS52130025A JP4714276A JP4714276A JPS52130025A JP S52130025 A JPS52130025 A JP S52130025A JP 4714276 A JP4714276 A JP 4714276A JP 4714276 A JP4714276 A JP 4714276A JP S52130025 A JPS52130025 A JP S52130025A
Authority
JP
Japan
Prior art keywords
viewing window
window means
viewing
window
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
JP4714276A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5641868B2 (Direct
Inventor
Ii Mejinisu Chiyaaruzu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4714276A priority Critical patent/JPS52130025A/ja
Publication of JPS52130025A publication Critical patent/JPS52130025A/ja
Publication of JPS5641868B2 publication Critical patent/JPS5641868B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
JP4714276A 1976-04-23 1976-04-23 Viewing window means Granted JPS52130025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4714276A JPS52130025A (en) 1976-04-23 1976-04-23 Viewing window means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4714276A JPS52130025A (en) 1976-04-23 1976-04-23 Viewing window means

Publications (2)

Publication Number Publication Date
JPS52130025A true JPS52130025A (en) 1977-11-01
JPS5641868B2 JPS5641868B2 (Direct) 1981-09-30

Family

ID=12766848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4714276A Granted JPS52130025A (en) 1976-04-23 1976-04-23 Viewing window means

Country Status (1)

Country Link
JP (1) JPS52130025A (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019199279A (ja) * 2018-05-16 2019-11-21 東京都下水道サービス株式会社 通気管及び貯留槽

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019199279A (ja) * 2018-05-16 2019-11-21 東京都下水道サービス株式会社 通気管及び貯留槽

Also Published As

Publication number Publication date
JPS5641868B2 (Direct) 1981-09-30

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