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water level electrical control circuit diagram

Abstract: SIEMENS THYRISTOR book tube data rs tube SK 2078
Text: Transmitter Tetrode RS 2078 SK T H 55 8 O rd e rin g c o d e Q 5 3 -X 2 0 7 8 C o a x ia l m e ta l-c e ra m ic tetro d e, grid in p y ro lytic g ra p h ite te ch n o lg y , v a p o r-c o n d e n s a tio n -c o o le d . T h e tu b e 's e x c e lle n t e ffic ie n c y re s u lts from its fa v o ra b le c u rre n t tra n sfe r c h a ra c te ris tic a n d high p e r­