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发明名称
Improved method for producing bodies or coverings of hardening or setting material
摘要
申请公布号
GB705254(A)
申请公布日期
1954.03.10
申请号
GB19500009274
申请日期
1950.04.14
申请人
JOHANNES LOHMANN
发明人
分类号
B28B1/30
主分类号
B28B1/30
代理机构
代理人
主权项
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