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|Place of Origin:||China|
|Model Number:||According to the specifications|
|Packaging Details:||Carton (the size is determined by the number of purchases)|
|Delivery Time:||The decision by the purchase quantity, generally for 5 days after receipt of payment|
GL Series Terrestrial Digital Geophone strings GM Series Marsh Digital Geophone Strings Fast detailed description: 1 light weight and distortion 2 good water resistance 3 it’s insulation resistance is no less than 300MΩ in 6 meters even more deep water after 48 hours Description: GM Series Marsh Digital Geophone String are a series of new marsh digital grade geophone strings,GM has good water resistance and it’s insulation resistance is no less than 300MΩ in 6 meters even