The utility model relates to a quick typewriter for a sign board, which is designed with a steel letter bracket mechanism and a sign board platform.
标志牌快速打字机，其要点是设计了一个钢字托架机构和标志牌平台。
He conformed the custom steel bracket to the shape of the sign and bolted it to the post with lag screws, links and eyebolt screws for the sign.
他将钢支架做成与标识匹配的形状，然后用拉力螺钉、链环和螺栓将其固定在柱子上。
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