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发明名称
ACOUSTICAL VIRTUAL ENVIRONMENT
摘要
申请公布号
EP0722526(B1)
申请公布日期
2001.11.14
申请号
EP19940928061
申请日期
1994.09.08
申请人
WENGER CORPORATION
发明人
FREIHEIT, RONALD R.
分类号
E04B1/82;E04B1/84;E04B1/99;(IPC1-7):E04B1/99
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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