TABLE TENNIS BALL AND METHOD FOR MANUFACTURING SAME
The invention relates to a table tennis ball comprising a spherical hollow body (1) formed by adhesively bonding two hemispherical shells (2, 3) at two complementary folds (5, 6) provided on the freeedges of said shells, said folds each having a radial shoulder (7, 8) and a circumferential shoulder...
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Format: | Patent |
Sprache: | chi ; eng |
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