ZA816161B - Door opening and closing apparatus - Google Patents

Door opening and closing apparatus

Info

Publication number
ZA816161B
ZA816161B ZA816161A ZA816161A ZA816161B ZA 816161 B ZA816161 B ZA 816161B ZA 816161 A ZA816161 A ZA 816161A ZA 816161 A ZA816161 A ZA 816161A ZA 816161 B ZA816161 B ZA 816161B
Authority
ZA
South Africa
Prior art keywords
door opening
closing apparatus
closing
door
opening
Prior art date
Application number
ZA816161A
Inventor
Brain Warren Field
Original Assignee
Brain Warren Field
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 Brain Warren Field filed Critical Brain Warren Field
Priority to ZA816161A priority Critical patent/ZA816161B/en
Publication of ZA816161B publication Critical patent/ZA816161B/en

Links

ZA816161A 1980-07-17 1981-09-04 Door opening and closing apparatus ZA816161B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA816161A ZA816161B (en) 1980-07-17 1981-09-04 Door opening and closing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA804330 1980-07-17
ZA816161A ZA816161B (en) 1980-07-17 1981-09-04 Door opening and closing apparatus

Publications (1)

Publication Number Publication Date
ZA816161B true ZA816161B (en) 1982-09-29

Family

ID=27132333

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA816161A ZA816161B (en) 1980-07-17 1981-09-04 Door opening and closing apparatus

Country Status (1)

Country Link
ZA (1) ZA816161B (en)

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