4. H - Electricity
  5. 01
  6. J

John Collard

H - Electricity – 01 – J

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Attenuators for electric waves of very short length

H - Electricity – 03 – H
Patent

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Connectors for high frequency transmission lines and the like

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Patent

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Electric cable

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Patent

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Electric wave guides

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Patent

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Electrical apparatus for detecting the presence of moving...

H - Electricity – 01 – J
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Inflatable speculum

A - Human Necessities – 61 – B
Patent

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Profile ID: LFCA-PAI-P-50089

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