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Straw for the preservation of a predetermined dose of liquid-based substance
专利权人:
IMV TECHNOLOGIES
发明人:
Eric SCHMITT,Jean-Charles GORGES
申请号:
US15567626
公开号:
US20180092723A1
申请日:
2016.04.19
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The straw includes a tube (11) extending between a first end (16) and a second end (17) and includes a gas-permeable but liquid-impermeable plug (12). The tube (11) is made of a thermochromic material that reversibly changes colour at a preset temperature threshold, by virtue of which colour change the tube (11) has a first visual appearance if the temperature thereof is below said preset threshold and a second visual appearance that is different from the first visual appearance if the temperature thereof is above said preset threshold.
来源网站:
中国工程科技知识中心
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