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发明名称
Concrete
摘要
申请公布号
US2607700(A)
申请公布日期
1952.08.19
申请号
US19480064715
申请日期
1948.12.10
申请人
EDWARD P. VAIL;ROBERT G. BLANCHARD
发明人
VAIL KARL V.
分类号
C04B14/04
主分类号
C04B14/04
代理机构
代理人
主权项
地址
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