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Power ball with speed counter
Dynamic: There is no any battery or electricity inside the device， It is application by centrifugal force & inertia like a gyroscope. It is powered by rotating the wrist. The fast ... |
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| Publish Time :
13 months ago
| Expiry Date :
2009 / 07 / 14 |
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wrist ball
Dynamic: There is no any battery or electricity inside the device， It is application by centrifugal force & inertia like a gyroscope. It is powered by rotating the wrist. The fast ... |
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| Publish Time :
13 months ago
| Expiry Date :
2009 / 07 / 14 |
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sell powe ball, gyro ball,spin ball
Dynamic: There is no any battery or electricity inside the device， It is application by centrifugal force & inertia like a gyroscope. It is powered by rotating the wrist. The fast ... |
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| Publish Time :
13 months ago
| Expiry Date :
2009 / 07 / 14 |
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see military,lensatic compass
Military typeEngineering usageWire sightMetal case(Aluminum or zinc alloy)1:25000meter standard map scalesLiquid filled for reliable readingsBoth the standard 0 - 360 degree scale ... |
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| Publish Time :
13 months ago
| Expiry Date :
2009 / 07 / 14 |
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