Rainproof device for gas relay
The utility model discloses a rainproof device for a gas relay, which comprises a first shielding plate, a second shielding plate and a third shielding plate, and is characterized in that the first shielding plate is arranged at the upper part of the gas relay and used for shielding the top of the g...
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Format: | Patent |
Sprache: | chi ; eng |
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