4. Card, picture, or sign exhibiting
  5. Register, or file
  6. Interchangeable file item

Leon Mermelstein

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Negative storage page with lock-in flaps

Special receptacle or package – For plate or sheet – Fragile or sensitive
Patent

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Translucent storage pages for filing film slides

Card – picture – or sign exhibiting – Register – or file – Interchangeable file item
Patent

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Profile ID: LFUS-PAI-P-1249689

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