4. Illumination
  5. Self powered lamp
  6. Nonelectric

Renaldo Mercaldi

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Rotary seal for vacuum and pressure systems

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Signal device using percussive flashlamps

Illumination – Self powered lamp – Nonelectric
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Profile ID: LFUS-PAI-P-253242

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