Ten years later Spencer patents a "radar range" that cooks with high-frequency radio waves; that same year, the Tappan Stove Co. introduces the first home microwave model.
10年后，Spencer申请高频无线电波的专利，同一年，塔班（Tappan）公司推出第一台家用型微波炉。
Ten years later Spencer patents a "radar range" that cooks with high-frequency radio waves; that same year, the Tappan Stove Co. introduces the first home microwave model.
10年后，Spencer申请高频无线电波的专利，同一年，塔班（Tappan）公司推出第一台家用型微波炉。
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