Dry powder is put out a fire football shirt and is put
The utility model discloses a dry powder is put out a fire football shirt and is put, including the spherical shell, the spherical shell comprises first spherical casing and second spherical casing lock, and the spherical shell intussuseption is filled with the dry powder fire extinguishing agent, a...
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| Format: | Patent |
| Sprache: | eng |
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