DIN SPEC 1104:2009
建筑五金.家庭和公共建筑内儿童,老人和残疾人使用的房门配件.说明符指南,德文版本CEN/TR 15894:2009
Building hardware - Door fittings for use by children, elderly and disabled people in domestic and public buildings - A guide for specifiers; German version CEN/TR 15894:2009