JPS51146752A - Ventilation fan - Google Patents

Ventilation fan

Info

Publication number
JPS51146752A
JPS51146752A JP50069678A JP6967875A JPS51146752A JP S51146752 A JPS51146752 A JP S51146752A JP 50069678 A JP50069678 A JP 50069678A JP 6967875 A JP6967875 A JP 6967875A JP S51146752 A JPS51146752 A JP S51146752A
Authority
JP
Japan
Prior art keywords
ventilation fan
ventilating fan
drawing rope
facilitate withdrawal
fan
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
JP50069678A
Other languages
Japanese (ja)
Inventor
Toshiji Sugawara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50069678A priority Critical patent/JPS51146752A/en
Publication of JPS51146752A publication Critical patent/JPS51146752A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To facilitate withdrawal of a drawing rope of a ventilating fan.
COPYRIGHT: (C)1976,JPO&Japio
JP50069678A 1975-06-11 1975-06-11 Ventilation fan Pending JPS51146752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50069678A JPS51146752A (en) 1975-06-11 1975-06-11 Ventilation fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50069678A JPS51146752A (en) 1975-06-11 1975-06-11 Ventilation fan

Publications (1)

Publication Number Publication Date
JPS51146752A true JPS51146752A (en) 1976-12-16

Family

ID=13409741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50069678A Pending JPS51146752A (en) 1975-06-11 1975-06-11 Ventilation fan

Country Status (1)

Country Link
JP (1) JPS51146752A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520075Y1 (en) * 1969-08-14 1970-08-12
JPS506204U (en) * 1973-05-15 1975-01-22

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520075Y1 (en) * 1969-08-14 1970-08-12
JPS506204U (en) * 1973-05-15 1975-01-22

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