# Breitenburger Portland-Cement-Fabrik

> business

**Wikidata**: [Q67195857](https://www.wikidata.org/wiki/Q67195857)  
**Source**: https://4ort.xyz/entity/breitenburger-portland-cement-fabrik


## References

1. 20th Century Press Archives
2. [Source](https://www.hwph.de/historische-wertpapiere/losnr-auktnr-pa38-1919.html)
3. [Source](http://purl.org/pressemappe20/folder/co%2F003454)