Drum core, drum-type rectangular core and variable type linearity chock coil using them, variable type linearity choke coil with base, and rectangular transformer
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Optical branching device
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Optical polarization synthesizer
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Stepping motor
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Portable radio wave measuring instrument
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Radiowave absorber
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Radiowave absorber
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Radiowave absorber
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Radiowave absorber
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Deflection yoke core
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Explosionproof structure of cylindrical battery
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Liquid injecting nozzle suitable for intermittent high- speed injection
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Radio wave absorbing heat conduction sheet
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Sealing structure of explosion-proof secondary battery
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Ferrimagnetic garnet material for microwave
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Assembling method for cylindrical alkaline battery and positive electrode can