Electric vacuum device
Electrovacuum devices are mainly high-frequency and ultra-high frequency emission tubes, waveguides, magnetrons, etc., which require high-purity oxygen-free copper and dispersion-enhanced oxygen-free copper.
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.jpg?imageView2/2/w/346/format/jp2/q/70 "HS221 Tin Brass BCu60ZnSn(Si) Welding Rod")
