Difference between revisions of "Patent for Stellwerk fuer Buehnenregulatoren, Schwabe & Co, 12/12/1921 (Q31801)"

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Mechanical control system for stage dimmers

(‎Added [en] description: Mechanical control system for stage dimmers)
(‎Created claim: Copy available online (P37): https://patents.google.com/patent/DE345474C)
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Revision as of 14:47, 25 July 2023

Mechanical control system for stage dimmers
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Patent for Stellwerk fuer Buehnenregulatoren, Schwabe & Co, 12/12/1921
Mechanical control system for stage dimmers

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