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发明名称
Verfahren zur Erreichung groesserer Gruendungstiefen bei Druckluftarbeiten unter Wasser
摘要
申请公布号
DE941360(C)
申请公布日期
1956.04.05
申请号
DE1953B025150
申请日期
1953.04.12
申请人
DR. MED. HELMUTH BOHNENKAMP
发明人
BOHNENKAMP DR. MED. HELMUTH
分类号
E02D23/04
主分类号
E02D23/04
代理机构
代理人
主权项
地址
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