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发明名称
SUSPENSION CEILING
摘要
申请公布号
IE53944(B1)
申请公布日期
1989.04.26
申请号
IE19830000370
申请日期
1983.02.22
申请人
DONN INC.
发明人
分类号
E04B9/12;(IPC1-7):E04B5/55
主分类号
E04B9/12
代理机构
代理人
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