摘要
结合从事焊接材料专业领域的实践经验,详细介绍了从互联网上查找美国专利以及美国政府免费专利网站的查找途径和利用其快速检索入口的检索方法。
Unite with the practice experience dealing with welding material field, the methods of searching American patents from Intemet and the way to find cost free patents from American government web sites were in detail described.
出处
《金属材料与冶金工程》
CAS
2009年第4期43-45,共3页
Metal Materials and Metallurgy Engineering
关键词
美国专利
英特网
快速检索
免费
American patent
Intemet
quick retrieval
cost free
