Company founder, Joseph Grado is credited as the inventor of the stereo moving coil phono cartridge.

公司创始人约瑟夫·格拉多记入的发明者动圈式立体声唱机墨盒。

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Company founder, Joseph Grado is credited as the inventor of the stereo moving coil phono cartridge.

公司创始人约瑟夫·格拉多记入的发明者动圈式立体声唱机墨盒。

youdao