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发明名称
Verfahren zur Behandlung einer permeablen Masse
摘要
申请公布号
AT252133(B)
申请公布日期
1967.02.10
申请号
AT19640003461
申请日期
1964.04.20
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
分类号
E02D
主分类号
E02D
代理机构
代理人
主权项
地址
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