CPC Main Group
E05B 19/00 Keys; Accessories therefor ( making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35)
13 direct subcodes
Child Classifications
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- E05B 19/04 Construction of the bow of the key; Attaching the bow to the shank
- E05B 19/14 Double keys
- E05B 19/18 Keys adjustable before use
- E05B 19/20 Skeleton keys; Devices for picking locks; Other devices for similar purposes
- E05B 19/22 Keys with devices for indicating whether the last operation was locking or unlocking
- E05B 19/24 Key distinguishing marks
- E05B 19/26 Use of special materials for keys