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发明名称
An improved fibro cement roofing sheet
摘要
申请公布号
PHUM5471(Z)
申请公布日期
1984.02.22
申请号
PHUM8113U
申请日期
1982.10.28
申请人
发明人
分类号
E04B7/00;E04D3/04;(IPC1-7):E04D3/04
主分类号
E04B7/00
代理机构
代理人
主权项
地址
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