知识产权局承认曾批准废皮革提取食用明胶专利
http://news.qq.com/a/20120427/000628.htm?qq=0&ADUIN=1607830350&ADSESSION=1335494001&ADTAG=CLIENT.QQ.3307_.0
http://news.qq.com/a/20120427/000628.htm?qq=0&ADUIN=1607830350&ADSESSION=1335494001&ADTAG=CLIENT.QQ.3307_.0
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你想证明专利局水平差也不用这么损啊。
-xiaohu-
♂
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04/27/2012 postreply
06:31:38
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