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发明名称
Verfahren zur Herstellung von poroesen Gegenstaenden
摘要
申请公布号
DE545238(C)
申请公布日期
1932.02.26
申请号
DED545238D
申请日期
1930.05.11
申请人
JOHN WILLIAM BATTERSBY
发明人
分类号
C04B38/02
主分类号
C04B38/02
代理机构
代理人
主权项
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