भूकम्पीय तरगो का मापन किस यन्त्र द्वारा किया जाता है?

Asked Nov 20, 2023 Modified Nov 20, 2023 Viewed 0 times
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asked Nov 20, 2023 at 14:39
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सिस्मोग्राफ
answered Nov 20, 2023 at 14:39

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