AU104729B2
(en )
1938-08-18
An improved means for opening and closing gates and the like
AU527937A
(en )
1938-08-18
An improved means for opening and closing gates and the like
AU103906B2
(en )
Improvements in means for automatically opening and closing field or road gates
CA370577A
(en )
1937-12-14
Door closing mechanism
AU107941B2
(en )
1939-07-20
Apparatus for opening and closing doors
CA373626A
(en )
1938-05-03
Door opening and closing device
CA319196A
(en )
1932-01-26
Door opening and closing device
IE14808L
(en )
1937-10-03
Opening and closing ventilators etc.
CA368280A
(en )
1937-08-24
Circuit opening and closing device
CA368279A
(en )
1937-08-24
Circuit opening and closing device
AU289838A
(en )
1939-07-20
Apparatus for opening and closing doors
AU112929B2
(en )
1941-05-01
Apparatus for opening and closing hinged doors
CA314781A
(en )
1931-09-01
Device for opening and closing doors
AU106166B2
(en )
1938-12-22
Improvements in devices for opening and closing ventilators, doors and windows
AU102137B2
(en )
1937-10-14
Improved means for attachment to doors and the like to facilitate the opening and closing thereoof
CA368449A
(en )
1937-08-31
Window and closure
CA364499A
(en )
1937-03-02
Door device
AU554839A
(en )
1941-05-01
Apparatus for opening and closing hinged doors
AU2479735A
(en )
1936-10-15
Improvements in means for opening and closing doors
AU531837A
(en )
1938-12-22
Improvements in devices for opening and closing ventilators, doors and windows
AU402136A
(en )
1937-10-14
Improved means for attachment to doors and the like to facilitate the opening and closing thereoof
AU106676B2
(en )
1939-03-02
Improvements mn latches for gates and doors
AU106785B2
(en )
1939-03-16
An improved gate or door catch
CA364979A
(en )
1937-03-23
Door
CA365867A
(en )
1937-05-04
Door