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筛选: 关键词 Numismatics, Coin Scales Year Published 1857

F.J. Herper Patent #18973 Invention Case File

Author:

Eric P. Newman Research Files (Coin Scales)

描述:

Invention case file, containing correspondence related to the process of applying for and receiving a patent. Photocopies from the National Archives and Records Administration.

关键词:

Numismatics, Coin Scales

發布國家:

United States
H. Maranville Patent #16390 Invention Case File

Author:

Eric P. Newman Research Files (Coin Scales)

描述:

Invention case file, containing correspondence related to the process of applying for and receiving a patent. Photocopies from the National Archives and Records Administration.

关键词:

Numismatics, Coin Scales

發布國家:

United States

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