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Combined door viewer and two-way intercom unit

  • US D283,130 S
  • Filed: 11/30/1983
  • Issued: 03/25/1986
  • Est. Priority Date: 11/30/1983
  • Status: Expired due to Term
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1. The ornamental design for a combined door viewer and two-way intercom unit, as shown and described.

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