ASTM STP11866S
A Comparative Test Method for Dynamic Response of Baseballs and Softballs
A Comparative Test Method for Dynamic Response of Baseballs and Softballs
- Статус документа:
- D
- Формат:
- Электронный (PDF)
- SKU:
- ASTM STP11866S
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Abstract
Sports organizations recently are concerned with means to control their respective games but ball testing appears not to have kept pace with changes in materials and construction. To increase ball durability, manufacturers have increased ba...
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