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从专利角度分析全球益生菌研发态势
施慧琳,苏燕,徐萍,王玥(
)
Global Probiotics Development Trend Analysis from the Perspective of Patent
Huilin Shi,Yan Su,Ping Xu,Yue Wang(
)
图5.
美国杜邦和丹麦科汉森申请专利IPC分布
.