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发明名称
Materials and articles comprising fibrous substances with hydraulic binders
摘要
申请公布号
GB509035(A)
申请公布日期
1939.07.06
申请号
GB19370027122
申请日期
1937.10.06
申请人
ERNST FRANK
发明人
分类号
C04B14/42
主分类号
C04B14/42
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代理人
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