| 摘要 |
A weatherproof sealing apparatus (10) to seal the opening between upper (200) and lower (100) window sashes in the open position; wherein, the sealing apparatus (10) includes a support member (13) having a generally cruciform cross-section and a resilient sealing block (20) attached to, and projecting outwardly from, the support member (13) to compressively engage the space between the upper (200) and lower (100) window sashes.
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