The shade lines on the surfaces of the light guide rod for dental light irradiator show contour and not surface ornamentation. In particular, the oblique line shading in
The broken lines shown in
The shade lines on the surfaces of the light guide rod for dental light irradiator show contour and not surface ornamentation. In particular, the oblique line shading in
The broken lines shown in
Number | Date | Country | Kind |
---|---|---|---|
2019-022126 | Oct 2019 | JP | national |
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