4. Metal working
  5. Means to assemble or disassemble
  6. Overedge assembling means

Fujio Ishikawa

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Clip-clinching device for a coil-spring unit of a mattress

Metal working – Means to assemble or disassemble – Overedge assembling means
Patent

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Quadruple frequency converter

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Treble frequency converter

Electric power conversion systems – Frequency conversion without intermediate conversion to d.c.
Patent

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Profile ID: LFUS-PAI-P-654315

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