4. Chemistry of carbon compounds
  5. Miscellaneous organic carbon compounds
  6. C-metal

Kunio Watanabe

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Active filter control apparatus

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Unwanted signal suppression
Patent

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Apparatus for driving liquid jet head

Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent

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Camera with printed circuit boards comprising resistance-conduct

Electrical resistors – Mechanically variable – Resistance value varied by removing or adding material
Patent

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Camera with printed circuit boards comprising resistance-conduct

Electrical resistors – Incased – embedded – or housed – Element in insulation with outer metallic sheath
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Circuit board and method of manufacturing the same

Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate

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Profile ID: LFUS-PAI-P-218503

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