fernsprechanlage hotels od. etc. with schaltvorrichtungen to prevent unauthorized use

• 1. 使用密钥基防止未经授权分发和使用电子密钥的方法 [P] . 中国专利： CN1689297B . 2014.01.08
• 2. 使用密钥基防止未经授权分发和使用电子密钥的方法 [P] . 中国专利： CN1689297A . 2005-10-26
• 3. device for automatic amziegen of unauthorized opening of doors in hotels, homes, etc. [P] . AT29946B . 1907-09-25

  机译： 自动盗窃旅馆，房屋等处的门的装置

• 4. signalanlage for hotels, krankenhaeuser od. etc. [P] . 德国专利： DE000000885670B . 1953-08-06

  机译： 旅馆，医院等的信号系统

• 5. decoration, especially for hotels, od. etc. [P] . AT173540B . 1952-12-27

  机译： 装饰，尤其是用于酒店，od。等等

• 1. Practical Solutions to Prevent Slips, Trips, and Falls in Hotels and Restaurants [C] . Steven P. Baker ASSE Professional Development Conference . 2016
• 2. Exploring the Factors that Prevent Hotel Managers' Tacit Knowledge Utilization in Independent Hotels: A Case Study. [D] . Anastasiou, Michael A. 2015
• 3. Snuff-Taking: Its Utility in Preventing Bronchitis Consumption etc. [O] . 1870
• 4. Preventing depredations on public timber, etc. ... Letter from Mr. H. H. Schwartz, chief of the Field service, General land office, recommending the appropriation of one million dollars for preventing depredations on public timber, protecting public l [O] . Harry H. from old catalog Schwartz 1909
• 5. Fixing Leaks: Assessing the Department of Defense's Approach to Preventing and Deterring Unauthorized Disclosures. [R] . Bruce, J. B., Jameson, W. G. 2013

• 1. 信用卡未经授权使用纠纷的法律研究——以信用卡POS交易为例 [A] . 徐琬 . 2016