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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, 12-01-17 12:55 AM
    • Replies: 0
    • Views: 9,830
    Librarian
    12-01-17, 12:55 AM Go to last post

  3.   Normal Threads  

  1. 1881 - 17157 Kromer Protector

    Started by Librarian, 20-01-17 06:44 AM
    1 Attachment(s)
    • Replies: 0
    • Views: 9,663
    Librarian
    20-01-17, 06:44 AM Go to last post

  2. 1920 - 323580 Carl Kastener

    Started by Librarian, 14-01-17 06:21 PM
    3 Attachment(s)
    • Replies: 1
    • Views: 32,686
    David Hovey
    22-01-17, 02:09 AM Go to last post

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