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综合与其他Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted SeptemPennsylvania. Department of Labor and IndustrySafety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted Septem

Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted Septem

Pennsylvania. Department of Labor and Industry

综合与其他英语
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《Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted Septem》，Pennsylvania…

书目信息

作者
Pennsylvania. Department of Labor and Industry
分类
综合与其他
语言
英语
来源
HathiTrust

关于本书

《Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted Septem》是一部由Pennsylvania. Department of Labor and Industry创作的作品，属于“综合与其他”类别，以英语写成。本书属于公有领域，你可以通过上方按钮从开放来源免费阅读。如果你喜欢这本书，请点击“点赞”，帮助更多人发现它。下方列出了相似的图书。

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