Describes various types. (2000 w.) (No. 16768 D)
Frequency meters
Die elektrischen Frequenzmesser
1910
Ills.
Aufsatz (Zeitschrift)
Deutsch
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Ultrasonic meters provide alternative to orifice meters
Tema Archiv | 1999
|Engineering Index Backfile | 1943
|Engineering Index Backfile | 1966
|Engineering Index Backfile | 1899
|Online Contents | 2001