
ASTM F1768-97(2020)
- Comments Off on ASTM F1768-97(2020)
- ASTM
1.1 This guide covers the methodology for the use of whistles as a means of communication during rope rescue operations.
Product Details
- Published:
- 04/01/2020
- Number of Pages:
- 2
- File Size:
- 1 file , 51 KB
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