Ring a half-shell shaped a half-shell shaped or rectangle, in relation to the armature symmetrical magnet system for an electroacoustic transducer

• 1. 包括两个相对于彼此可旋转移动的半壳，用于注射液体产品的装置 [P] . 中国专利： CN104582757B . 2018.02.16
• 2. 包括两个相对于彼此可旋转移动的半壳，用于注射液体产品的装置 [P] . 中国专利： CN104582757A . 2015-04-29
• 3. Ring a half-shell shaped permanent magnet system. [P] . 德国专利： DE1827482U . 1961-03-02

  机译： 环半壳形永磁系统。

• 4. A half-shell shaped ring, which is closed in itself, magnet system for kopfhoerer [P] . 德国专利： DE431315C . 1926-07-05

  机译： 本身封闭的半壳形环，用于kopfhoerer磁铁系统

• 5. U - a half-shell shaped permanent magnet system for a magnetron bending [P] . 德国专利： DE1279210B . 1968-10-03

  机译： U-磁控管弯曲的半壳形永磁系统

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