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Supply 2 meters 4 sections of carbon fiber centering rod RTK prism centering rod surveying and mapping prism rod GPS carbon rod

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lofting man portable rod RTK/GPS surveying rod surveying rod 1.5 m/1.8 m aluminum alloy telescopic rod centering rod

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Square tube folding round foot square steel folding 90 degree arc angle drawing line ruler square tube changing right angle arc multi-function marking artifact

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