|
GB762133A
|
|
Door check with fluid bumper
|
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US2769195A
|
|
Door check with fluid bumper
|
|
GB684207A
|
|
Double acting door check and spring combination
|
|
US2694476A
|
|
Metal door construction and method
|
|
US2680263A
|
|
Double-acting door check and combination
|
|
GB662968A
|
|
Improvements in or relating to balanced door organization with bumper
|
|
GB662959A
|
|
Improvements in or relating to balanced door organisation with pressure release
|
|
US2637877A
|
|
Balanced door
|
|
US2581783A
|
|
Balanced door organization with pressure release
|
|
US1989550A
|
|
Window operator
|
|
GB410359A
|
|
Improvements in or relating to doors
|
|
US2022081A
|
|
Fastening device
|
|
US2019528A
|
|
Balanced door
|
|
US1967813A
|
|
Weather strip
|
|
GB396162A
|
|
Improvements in or relating to doors
|
|
US2019527A
|
|
Balanced door
|
|
US2019526A
|
|
Balanced door
|
|
US1904654A
|
|
Ventilator
|
|
US1769424A
|
|
Stiffener and aligner for hollow metal doors and casement windows
|
|
US1670441A
|
|
Casement window
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