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发明名称
Waterproof quick-setting adhesive portland cement and process of making same
摘要
申请公布号
US2187668(A)
申请公布日期
1940.01.16
申请号
US19380209603
申请日期
1938.05.23
申请人
SMITH LLOYD L
发明人
SMITH LLOYD L.
分类号
C04B28/04
主分类号
C04B28/04
代理机构
代理人
主权项
地址
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