JPS5260799A - Automatic unlocking device for fireproof door - Google Patents

Automatic unlocking device for fireproof door

Info

Publication number
JPS5260799A
JPS5260799A JP13469675A JP13469675A JPS5260799A JP S5260799 A JPS5260799 A JP S5260799A JP 13469675 A JP13469675 A JP 13469675A JP 13469675 A JP13469675 A JP 13469675A JP S5260799 A JPS5260799 A JP S5260799A
Authority
JP
Japan
Prior art keywords
unlocking device
fireproof door
automatic unlocking
automatic
fireproof
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
JP13469675A
Other languages
English (en)
Japanese (ja)
Other versions
JPS531719B2 (enrdf_load_html_response
Inventor
Kouzaburou Ogura
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.)
OGURA HOUSEKI SEIKI KOUGIYOU KK
OGURA JEWEL INDUSTRY CO Ltd
Original Assignee
OGURA HOUSEKI SEIKI KOUGIYOU KK
OGURA JEWEL INDUSTRY 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 OGURA HOUSEKI SEIKI KOUGIYOU KK, OGURA JEWEL INDUSTRY CO Ltd filed Critical OGURA HOUSEKI SEIKI KOUGIYOU KK
Priority to JP13469675A priority Critical patent/JPS5260799A/ja
Publication of JPS5260799A publication Critical patent/JPS5260799A/ja
Publication of JPS531719B2 publication Critical patent/JPS531719B2/ja
Granted legal-status Critical Current

Links

JP13469675A 1975-11-11 1975-11-11 Automatic unlocking device for fireproof door Granted JPS5260799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13469675A JPS5260799A (en) 1975-11-11 1975-11-11 Automatic unlocking device for fireproof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13469675A JPS5260799A (en) 1975-11-11 1975-11-11 Automatic unlocking device for fireproof door

Publications (2)

Publication Number Publication Date
JPS5260799A true JPS5260799A (en) 1977-05-19
JPS531719B2 JPS531719B2 (enrdf_load_html_response) 1978-01-21

Family

ID=15134445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13469675A Granted JPS5260799A (en) 1975-11-11 1975-11-11 Automatic unlocking device for fireproof door

Country Status (1)

Country Link
JP (1) JPS5260799A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS531719B2 (enrdf_load_html_response) 1978-01-21

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