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Patent drawing - Membrane buckling spring - . Public domain image

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Summary

Italiano: Meccanismo membrane buckling spring.

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patents patent drawings us patent office computer keyboard switches ibm model m keyboard united states patent drawings inventions
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Date

03/10/1983
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USPTO
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Link

http://uspto.gov/
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label_outline Explore Ibm Model M Keyboard, Computer Keyboard Switches, Us Patent Office

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patents patent drawings us patent office computer keyboard switches ibm model m keyboard united states patent drawings inventions