three position four-way hand change-over valve 三位四通手动转换阀 three position four-way valve 三位四通阀 three position switch 三位开关 ..
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three position four way valve 三位四通阀
three-position four way valve 三位四通阀
three position four-way electrohy-draulic valve 三位四通电液阀
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The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.
本实用新型涉及一种端面密封手动三位四通换向转阀。
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