Zisin (Journal of the Seismological Society of Japan. 2nd ser.)
Online ISSN : 1883-9029
Print ISSN : 0037-1114
ISSN-L : 0037-1114
I. C. Power-Amplifier for Pen Oscilograph
Isao YAMADA
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1971 Volume 24 Issue 1 Pages 72-73

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© The Seismological Society of Japan
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