发明申请
US20160095468A1 FOOD HOLDING APPARATUS AND METHOD 审中-公开
食品保鲜装置及方法

FOOD HOLDING APPARATUS AND METHOD
摘要:
A food holding apparatus includes at least one heating element, where the heating element is formed at least in part by a positive temperature coefficient heater characterized by an electrical resistance that increases with increasing temperature such that the positive temperature coefficient heater provides higher heating power at lower temperatures and lower heating power at higher temperatures.
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