欧洲专利数据库中 检索苹果公司申请的有关触摸屏的专利 最佳检索式为
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欧洲专利数据库中,检索苹果公司申请的有关触摸屏的专利,最佳检索式为
A.keywords in title:touch and screen*, inventor(s):apple
B.keywords in title or abstract:touch and screen*, applicant(s):apple
C.keywords in title or abstract:touch and screen*, inventor(s):apple
D.keywords in title:touch and screen*, applicant(s):apple

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keywords in title or abstract : touch and screen* , applicant ( s ): apple
