Code for identification of gas-mask canisters.
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| Corporate Authors: | , |
|---|---|
| Other title: | Gas-mark canisters. |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. print. off,
1930.
|
| Series: | Bulletin of the United States Bureau of Labor Statistics ;
512. Safety code series. |
| Subjects: |