SOFT TENNIS BALL
PROBLEM TO BE SOLVED: To provide a soft tennis ball 2 to which foreign matter hardly adheres, and which hardly soils a floor.SOLUTION: A soft tennis ball 2 includes a spherical shell 4 and finishing powder 6 adhering to the outer surface of the spherical shell 4. The finishing powder 6 contains anti...
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Main Authors | , |
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Format | Patent |
Language | English Japanese |
Published |
12.04.2018
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Subjects | |
Online Access | Get full text |
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