A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
2/72.1
A61M 16/00 (2006.01)
Patent
CA 2038927
ABSTRACT In the known welding face shields, respirators are not built in. In my invention the respirator is attached to the face shield frame in such a manner that when the face shield is put on the head, the respirator automatically goes into place over the mouth and nose.
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