DISPOSABLE MASK
PROBLEM TO BE SOLVED: To provide a disposable mask of which the filtering function is high because the mask closely joins to the face by going along the face, and in addition, which is excellent in the wearing feeling, and does not cause a sense of incongruity even when the mouth is moved. SOLUTION:...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
14.04.2005
|
Edition | 7 |
Subjects | |
Online Access | Get full text |
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