FR763209A - Perfectionnements apportés aux moyens pour équilibrer des éléments coulissants, notamment les châssis de fenêtres coulissantes
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Perfectionnements apportés aux moyens pour équilibrer des éléments coulissants, notamment les châssis de fenêtres coulissantes
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E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
E05D13/10—Counterbalance devices
E05D13/12—Counterbalance devices with springs
E05D13/123—Counterbalance devices with springs with compression springs
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FR763209D1933-10-301933-10-30Perfectionnements apportés aux moyens pour équilibrer des éléments coulissants, notamment les châssis de fenêtres coulissantes
ExpiredFR763209A
(fr)