发明名称 |
RESPIRATORY SYSTEM PROTECTION |
摘要 |
A respiratory system protection element is disclosed, in particular a breathing mask consisting of at least one layer (3, 4, 5) for protecting the nose and mouth. The core of the invention lies in that at least one means (6) is provided and/or integrated into the mask which by exposure to the breathing air allows the length of usage to be recognized. |
申请公布号 |
WO9419056(A1) |
申请公布日期 |
1994.09.01 |
申请号 |
WO1994EP00489 |
申请日期 |
1994.02.21 |
申请人 |
PAUL HARTMANN AG;POTH, ROBERT |
发明人 |
POTH, ROBERT |
分类号 |
A41D13/11;(IPC1-7):A62B18/08;A62B23/02;A41D13/00 |
主分类号 |
A41D13/11 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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