Johannes Grubenmann
Johannes Grubenmann (15 June 1707 – 10 June 1771) was a member of the Swiss family Grubenmann who were famous as joiners and civil engineers in the eighteenth century.
- See main article: Grubenmann.
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Johannes Grubenmann (15 June 1707 – 10 June 1771) was a member of the Swiss family Grubenmann who were famous as joiners and civil engineers in the eighteenth century.
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