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经营范围
发明名称
Hydraulic cement process
摘要
申请公布号
US3022989(A)
申请公布日期
1962.02.27
申请号
US19540421572
申请日期
1954.04.07
申请人
UNION COMMERCE BANK
发明人
PYZEL ROBERT
分类号
C04B7/45
主分类号
C04B7/45
代理机构
代理人
主权项
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