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发明名称
A METHOD FOR EARTHING A CERAMIC FLOOR OF A SURGERY ROOM
摘要
申请公布号
PL153720(B1)
申请公布日期
1991.05.31
申请号
PL19870266322
申请日期
1987.06.16
申请人
发明人
分类号
E04F15/08;H05F;H05F3/02;(IPC1-7):H05F3/02
主分类号
E04F15/08
代理机构
代理人
主权项
地址
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