The list of Bochum births is here:
https://www.bochum.de/C125830C0042AB74/vwContentByKey/W2BH9Q9R823BOCMDE/$File/FB_Geburtsregister.pdf

Richard Kahn was born Nov. 9, 1890 (not Nov. 29). His birth was recorded at the  Bochum-Mitte civil registration office under the file number 1698 / 1890.
You can ask for a copy of the original (Kopie einschliesslich Randvermerke) from the Bochum city archives with the above file number (mentioning Bochum-Mitte)
The address is stadtarchiv@... 
The records are also at the State Archives in Detmold. See also:
https://tng.rolandgen.de/documents/RzD%20(2019),%20Ressourcen%20für%20die%20Ahnenforschung%20–%20in%20und%20um%20Bochum.pdf

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Andreas Schwab, Montreal, Canada

Dear all, 

Can you please guide me to get the birth act of Mr Richard Kahn, born the  29th November1890 @ Bochum, Germany ?

He was leading the "Allgemeine Maschinee Gesellschaft" company

Many thanks

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Regards,
David CHOUKROUN

david.choukroun@...
FRANCE

CHOUKROUN ATTALI ATLANI