The safety helmet, which a JRA jockey has on his head during races, have been developed by JRA, based on fundamental researches, including animal and biological testing

umanusi のブックマーク 2005/11/30 16:54

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/1026762/comment/umanusi" data-user-id="umanusi" data-entry-url="https://b.hatena.ne.jp/entry/www.jair.jrao.ne.jp/journal/v12n2/j2000f.html" data-original-href="http://www.jair.jrao.ne.jp/journal/v12n2/j2000f.html" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=http%3A%2F%2Fwww.jair.jrao.ne.jp%2Fjournal%2Fv12n2%2Fj2000f.html" data-user-icon="/users/umanusi/profile.png">http://www.jair.jrao.ne.jp/journal/v12n2/j2000f.html</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/%E7%AB%B6%E9%A6%AC">競馬</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/science">science</a>]</li></ul><br><p style="clear: left">The safety helmet, which a JRA jockey has on his head during races, have been developed by JRA, based on fundamental researches, including animal and biological testing </p><a class="datetime" href="https://b.hatena.ne.jp/umanusi/20051130#bookmark-1026762"><span class="datetime-body">2005/11/30 16:54</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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