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Hot water bottle with flat box section - has array of depressions linking major walls to form stepped pattern
Hot water bottle with flat box section - has array of depressions linking major walls to form stepped pattern
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机译:带有扁平盒状截面的热水瓶-具有连接主要壁以形成阶梯状图案的一系列凹陷
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摘要
The hot water bottle has a flat box section and is manufactured from rubber. One of the two main walls of the hot water bottle is recessed with a series of small depressions in its surface. The base of each of the depressions in one of the major section-walls is connected to the opposing internal inner surface of the opposite main wall. The depressions in the surface are arranged in a stepped pattern. The coupling zones between the main walls are closed in such a manner that they form a type of suction up to enhance the warning effect when pressed against the body.
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