DIFF Subgroup
E05D 13/08 Full Title
Accessories for sliding or lifting wings, e.g. pulleys, safety catches (; counterbalance devices E05F1/00, E05F3/00)
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E05D 13/08 Accessories for sliding or lifting wings, e.g. pulleys, safety catches (; counterbalance devices E05F1/00, E05F3/00)