发明授权
US09366074B2 Security gate with pressure-mount system 有权
带压力安装系统的安全门

Security gate with pressure-mount system
摘要:
A security gate includes a first panel and a second panel arranged to move relative to the first panel to close a doorway. The gate also includes a lock for locking the second panel to the first panel to establish the width of the gate.
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