Strong-Cobb-Einheit (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Strong-Cobb-Einheit" in German language version.

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espacenet.com

worldwide.espacenet.com

Patent US2645936: Tablet hardness testing machine. Veröffentlicht am 21. Juli 1953, Anmelder: Strongg, Cobb & Company Inc., Erfinder: Robert Albrecht.‌

web.archive.org

Russ Rowlett: How Many? A Dictionary of Units of Measurement (Memento vom 3. Dezember 1998 im Internet Archive)