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Inventor: Oh; Byoung-Geun
Address: Daejeon, KR
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7258782 |
Apparatus for sampling filter layer and method using the same |
August 21, 2007 |
| An apparatus for sampling a filter layer and a method using the same are disclosed herein. The apparatus includes a cylindrical tube made of a transparent material; a screw installed at a central portion in the cylindrical tube, to be rotated for shifting a sample from the lower part |
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