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发明名称
CIMENTITIOUS MATERIAL RETARDER
摘要
申请公布号
CA391618(A)
申请公布日期
1940.10.01
申请号
CAD391618
申请日期
申请人
UNITED STATES GYPSUM COMPANY;CANADIAN GYPSUM COMPANY LIMITED
发明人
NICHOLAS S. YANICK
分类号
C04B24/14
主分类号
C04B24/14
代理机构
代理人
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