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经营范围
发明名称
Dry cementitious material and process for preparing the same
摘要
申请公布号
GB852817(A)
申请公布日期
1960.11.02
申请号
GB19570003533
申请日期
1957.02.01
申请人
EGON HANDL
发明人
分类号
C04B28/16
主分类号
C04B28/16
代理机构
代理人
主权项
地址
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