Sharon,
World Braille Usage, Third Edition found on the Perkins internet site has some leads. I searched online with the information given under the heading Mathematics and Science Notation in the Poland section.
http://chezdom.net/mathematicalbraillecodes/ indicates that Poland uses Marburg.
http://www.pharmabraille.com/support/how-to-use-your-pharmabraille-braille-font-set/ has a Help and Support section where you can Ask a Pharmaceutical Braille Font Question.
I got there by searching for Marburg Braille. You’ll find other sites if the above doesn’t give you what you’re looking for.
Start here and let me know if you need further help.
Carol Greer