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Priority to DE1954B0018759priorityCriticalpatent/DE1685009U/en
Publication of DE1685009UpublicationCriticalpatent/DE1685009U/en
The use of the shock tube as a spectroscopic source with an application to the measurement of gf-values for lines of neutral and singly ionized chromium
Apparatus for training and strengthening of muscles and skills. With priority of the German utility models 1896025, of 4-3-1964, and 1899744, of 11-6-1964