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发明名称
METHOD OF SEALING CONCRETE JOINTS
摘要
申请公布号
GB1285556(A)
申请公布日期
1972.08.16
申请号
GB19680034099
申请日期
1968.07.17
申请人
W. R. GRACE & CO.
发明人
JOHN HURST
分类号
E02B3/16
主分类号
E02B3/16
代理机构
代理人
主权项
地址
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