| 摘要 |
A vent plug for insertion into a battery vent well that retains the original large diameter of the well. The vent plug has a body having a top and a bottom and an opening extending from the top to the bottom. A neck extends from the body for insertion into the well. The neck has an opening therein and an arm positioned to engage the underside of a projection in the well without substantially intruding into the well diameter.
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