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发明名称
AIR-PERMEABLE ROOFING MATERIAL
摘要
申请公布号
PL265859(A2)
申请公布日期
1988.07.07
申请号
PL19870265859
申请日期
1987.05.21
申请人
发明人
分类号
E04D;E04D5/10;(IPC1-7):E04D/
主分类号
E04D
代理机构
代理人
主权项
地址
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