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EP0157037A2
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Long-stroke push-button switch
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US4195768A
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Roller bearing internal pinion counter
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US4185188A
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Internal pinion revolution counter and method of assembling the same
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US4206658A
|
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Rotary ratchet mechanism
|
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US4163138A
|
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Flush lighted flat keyboard assembly
|
|
US4071718A
|
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Flat keyboard assembly having cover type membrane with protrusions to align switch components
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US4056701A
|
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Low profile lighted push button switch
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US4045636A
|
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Keyboard switch assembly having printed circuit board with plural layer exposed contacts and undersurface jumper connections
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US4206450A
|
|
Fire and intrusion security system
|
|
US3941964A
|
|
Push-button type binary switch device
|
|
US3938403A
|
|
Multiratio power transmitting device
|
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CA992124A
|
|
Keyboard switch assembly
|
|
ES420707A1
|
|
Electronic calculator. (Machine-translation by Google Translate, not legally binding)
|
|
US3886012A
|
|
Method of assembly of keyboard switch by ultrasonics
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US3894256A
|
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Bearing assembly for dynamoelectric machine
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DE2333489A1
|
|
Miniature digital electronic calculator - has display circuit with minimum power consumption
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|
GB1391757A
|
|
Calculator display circuit
|
|
CA997846A
|
|
Process for mounting electroluminescent displays
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CA1009830A
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Process for assembling components in the manufacture of calculators
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CA1017547A
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Process for producing computer circuits utilizing printed circuit boards
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