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Forum: German Patent Specifications

German Patent Specifications on locks and security devices - For Reference, Research and Discussion.

Note: In this special sub-forum start a new thread for each new Patent Number.

  1.   Sticky Threads  

  2. Sticky Thread Sticky: German Patent Specifications

    Started by Librarian, 11-01-17 11:55 PM
    • Replies: 0
    • Views: 2,581
    11-01-17, 11:55 PM Go to last post
  3.   Normal Threads  

  1. 1881 - 17157 Kromer Protector

    Started by Librarian, 20-01-17 05:44 AM
    • Replies: 0
    • Views: 2,387
    20-01-17, 05:44 AM Go to last post
  2. 1920 - 323580 Carl Kastener

    Started by Librarian, 14-01-17 05:21 PM
    • Replies: 1
    • Views: 8,973
    22-01-17, 01:09 AM Go to last post

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