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Screw Thread Gauges

Dưỡng kiểm ren tiêu chuẩn OJIYAS

Standard Screw Thread Ring Gauges & Plug Gauges OJIYAS

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Bộ dưỡng kiểm ren trong và ren ngoài hai đầu GO/NOGO Ojiyas

Limit Gauges For Parallel Screw Threads

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Limit Gauges for Parallel Pipe Threads

Limit Gauges for Parallel Pipe Threads

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Dưỡng kiểm ren côn cho đường ống Ojiyas

Gauges for Taper Pipe Threads

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