发明授权
US4334879A Sample applicator 失效
样品涂抹器

Sample applicator
摘要:
A sample applicator comprising a holder and an applicator blade of porous material formed as a rectangular plate and mounted to an end of holder, the sample applicator being arranged to apply a sample onto a film by making the applicator blade absorb the sample and, then, pushing the applicator blade onto the film.
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