An edition of Lefeldt - Centrifugal drum, German Patent 92225 of 1897
Lefeldt - Centrifugal drum, German Patent 92225 of 1897
on October 3rd, 2025 | History
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Centrifugal drum, German Patent 92225 of 1897, W. Lefeldt and Lentsch, Schoningen, Germany, June 1, 1897.
Publish Date
1897-06-01
Publisher
Unknown
Language
English
PPI
233
Previews available in: English
Subjects: patent, German patents, centrifuges, USPC 15/105