Electric multi-roller parameter and standard finder

The utility model discloses an electric multi-roller parameter and standard finder, which comprises a box body, wherein the box body is internally provided with at least two roller units, each roller unit comprises a first roller and a second roller which are rotatably arranged on the box body and w...

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Bibliographic Details
Main Author ZOU JIANJIE
Format Patent
LanguageChinese
English
Published 10.11.2010
Subjects
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
LABELS OR NAME-PLATES
PHYSICS
SEALS
SIGNS
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