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发明名称
Verfahren zur Herstellung von luftfreiem Beton
摘要
申请公布号
DE515975(C)
申请公布日期
1931.01.16
申请号
DE1929M110465D
申请日期
1929.06.09
申请人
JOHN STANLEY MORGAN
发明人
分类号
C04B40/00
主分类号
C04B40/00
代理机构
代理人
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