A new mechanism for supplying in sequence unused regions of an analytical tape by predetermined length to an analytical section arranged in an apparatus for biochemical analysis of a liquid sample is disclosed. The mechanism comprises a driving means for moving the analytical tape to supply its unused...http://www.google.com.hk/patents/US4954319?utm_source=gb-gplus-share專利 US4954319 - Mechanism for supplying analytical tape for biochemical analysis by predetermined length
