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US09182292B2 Stimulus indicating device employing polymer gels 有权
激发指示装置采用聚合物凝胶

Stimulus indicating device employing polymer gels
摘要:
The present invention relates, for example, to a stimulus-indicating device. More particularly, the present invention includes an apparatus for evidencing when a stimulus sensitive product has been exposed to a designated or predetermined stimulus for a certain period of time, and the invention further may include a method for manufacturing aspects of that apparatus.
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