# duplicating machine

> type of device which was a predecessor of modern document-reproduction technology

**Wikidata**: [Q977833](https://www.wikidata.org/wiki/Q977833)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duplicating_machines)  
**Source**: https://4ort.xyz/entity/duplicating-machine


## References

1. UN Comtrade Commodity Classifications
2. KBpedia