Sport ball with self-contained inflation mechanism capable of releasing pressure
An inflatable sport ball, such as a basketball, a football, a soccer ball, a volleyball or a playground ball, is provided with a self-contained inflation mechanism, or multiple self-contained inflation mechanisms, for inflating or more likely adding pressure to the ball. The pump additionally contai...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
27.01.2010
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Subjects | |
Online Access | Get full text |
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