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Milestones in respiratory protection.

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Format:
Government document
Image
Contributor:
National Institute for Occupational Safety and Health, issuing body.
Language:
English
Subjects (All):
Breathing apparatus--History.
Breathing apparatus.
Genre:
History.
Instructional and educational works.
Physical Description:
1 online resource (1 image) : black and white
Place of Publication:
[Washington, D.C.] : Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2019.
Summary:
The graphic lists major historical milestones in the development of respiratory equipment.
Notes:
"September 2019."
Descriptoin based on online resource; title from PDF caption (CDC, viewed Mar. 19, 2020).
OCLC:
1145279410

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