| 简介 |
PROBLEM TO BE SOLVED : concentrated force is increased, the stabilization of the ataractic, irritated feeling the effect of removing low emissivity minus ion generating sheet requiring mental concentration in sports and study and effectively utilized. SOLUTION : when in use and sports cap 10 facing the amount or be part of a low-radiation Bandanna minus ion generating sheet 15 is provided. The low emissivity of the minus ion generating sheet 15, to the base of a soft resin, a low dose of radiation harmless to the human body as a substance containing radioactive rare earth element minerals which generate negative ions and silicon-based ceramic as a material is kneaded and molded into a sheet form. Selected drawing : fig. 1 |
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