4. H - Electricity
  5. 04
  6. Q

Katsuyuki Jin

H - Electricity – 04 – Q

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Common control telephone exchange system using mechanical...

H - Electricity – 04 – Q
Patent

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Line circuit in automatic switching system

H - Electricity – 04 – Q
Patent

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Number identification circuit

H - Electricity – 04 – Q
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Scanning type information discriminating circuit

H - Electricity – 04 – J
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Profile ID: LFCA-PAI-P-290845

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