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| THE COMMON ELECTRIC CIRCUIT TROUBLES OF THE SUMMIT SEISMOGRAPH AND THEIR REPAIRS |
| JIANG Chuan-zhi, JIANG Chuan-lin |
| Geophysical Surveying Party, Henan Bureau of Coalfield Geology, Zhengzhou 450009, China |
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Abstract Based on experience acquired in practical work, the authors deal in this paper with the troubles of the Summit digital seismograph produced by DMT Company of Germany that are likely to occur in field work and the methods for their in-situ repairs.
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Received: 06 September 2004
Published: 24 June 2005
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