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发明名称
Verfahren zum Herstellen von Spannbeton
摘要
申请公布号
DE881321(C)
申请公布日期
1953.06.29
申请号
DE1942P003878D
申请日期
1942.05.01
申请人
PORTLAND-ZEMENTWERKE HEIDELBERG AKTIENGESELLSCHAFT
发明人
HAUG WILHELM
分类号
B28B23/04
主分类号
B28B23/04
代理机构
代理人
主权项
地址
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