The special design of the pillow has gained patent from the intellectual property bureau.
枕头特殊设计已获知识产权局专利。
Appraised by State Intelligent Property Right Bureau as the National Advanced Patent Unit in 2002.
2002年度被国家知识产权局评为全国专利工作先进单位。
Appraised by State Intelligent Property Right Bureau as the National Advanced Patent Unit in 2002.
2002年度被国家知识产权局评为全国专利工作先进单位。
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