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ARRANGEMENT FOR TRAINING HANDS OF BREAST-STROKE SWIMMERS
ARRANGEMENT FOR TRAINING HANDS OF BREAST-STROKE SWIMMERS
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机译:蛙泳游泳者的训练方式安排
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摘要
the invention позвол ет improve training swimmer by воспроизведени real conditions нагружени ьаппц throughout the cycle гребка.the device contains направл ющие rings 2 and 3.the offset of one on the
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