Improvements in Life Belts
7485. Friedman, S., and Hollander, A. April 8. Plug cocks.-A valve p, constructed as shown in Fig. 2, is employed for connecting the air tubes v, u, of an inflatable life-belt.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 7485. Friedman, S., and Hollander, A. April 8. Plug cocks.-A valve p, constructed as shown in Fig. 2, is employed for connecting the air tubes v, u, of an inflatable life-belt. |
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