| 摘要 |
PROBLEM TO BE SOLVED: To rapidly and accurately measure the volume of a gas dispersed and present in a flexible packaging bag. SOLUTION: A tool for measuring the bubble diameter of the gas evolved in a sealed liquid comprises a circular recessed part provided in either one of surfaces and a transparent base plate displaying annular scales for measuring the bubble diameter on at least either one of surfaces corresponding to the circular recessed part in a concentric circular shape with the circular recessed part. COPYRIGHT: (C)2006,JPO&NCIPI
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