CPC Subgroup
A47G 1/105 Full Title
Mirrors (as optical elements G02B5/08); Picture frames or the like, > Picture frames (making from paper B31D) > Corner clips or corner-connecting appliances for frames
A47G 1/105 Mirrors (as optical elements G02B5/08); Picture frames or the like, > Picture frames (making from paper B31D) > Corner clips or corner-connecting appliances for frames