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发明名称
METHOD OF DEWATERING AND DEHUMIDYFYING SPORTS FACILITIES
摘要
申请公布号
PL131670(B1)
申请公布日期
1984.12.31
申请号
PL19800226854
申请日期
1980.09.19
申请人
发明人
分类号
E02B11/00;E02D;E03F;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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