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发明名称
FRACTURABLE-TOKEN SYSTEM
摘要
<p>A token system employing a control unit (10) which accepts a key (11), which key (11) is deformed or at least partly destroyed by the control unit (10) to limit or to prevent further use of the key (11) to operate the control unit (10).</p>
申请公布号
WO1987002810(A1)
申请公布日期
1987.05.07
申请号
AU1986000337
申请日期
1986.11.05
申请人
发明人
分类号
主分类号
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代理人
主权项
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