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发明名称
METHOD OF RENDERING ARTIFICIAL OR NATURAL STRUCTURES MOISTURE-PROOF
摘要
申请公布号
GB1495158(A)
申请公布日期
1977.12.14
申请号
GB19740056234
申请日期
1975.12.31
申请人
BALFOUR BEATTY LTD
发明人
分类号
C04B41/45;(IPC1-7):C04B41/28
主分类号
C04B41/45
代理机构
代理人
主权项
地址
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