4. H - Electricity
  5. 04
  6. N

Edward C. Waldspurger

H - Electricity – 04 – N

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Magnetic disc recording assembly

H - Electricity – 04 – N
Patent

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Magnetic recording disc having circularly oriented magnetic...

G - Physics – 11 – B
Patent

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Precision drive for video disc recorder

H - Electricity – 04 – N
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Two-tube color television camera

H - Electricity – 04 – N
Patent

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Profile ID: LFCA-PAI-P-102426

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