CPC Subgroup
E05F 3/221 Full Title
Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices (construction of non-pneumatic or non-liquid braking devices E05F5/00; friction devices in hinges E05D11/08) > Additional arrangements for closers, e.g. for holding the wing in opened or other position
1 direct subcode
Child Classifications
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