4. X-ray or gamma ray systems or devices
  5. Source support
  6. Including movable source

Johannes I. M. Cobben

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Document made fraud-proof by an irreversibly distortable...

Printed matter – Having revealable concealed information – fraud preventer or...
Reexamination Certificate

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Mobile x-ray apparatus comprising exchangeable wheels

X-ray or gamma ray systems or devices – Source support – Including movable source
Patent

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Security document with a perforation pattern

Printed matter – Having revealable concealed information – fraud preventer or...
Reexamination Certificate

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Security feature comprising a perforation pattern

Printed matter – Having revealable concealed information – fraud preventer or... – Utilizing electromagnetic radiation
Reexamination Certificate

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