by Claus-Wilhelm Canaris , Staub, Hermann
Great Britain.
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
United States. Congress. Senate. Committee on Patents
United States
Rand McNally
Kokuritsu Kokkai Toshokan (Japan)
Canada. Parliament. House of Commons.
