河北首铭知识产权
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专业的专利申请、专利转让服务,可以在本平台了解专利申请需要多少钱,并可免费发布专利转让信息、查询专利内容等。各代理业务部门的负责专业包括建筑、交通、通信、计算机、机械、生物、医药等各个领域。
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