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发明名称
Bauweise zur Ableitung von ansickerndem Wasser
摘要
申请公布号
AT203044(B)
申请公布日期
1959.04.25
申请号
AT19570007595
申请日期
1957.11.22
申请人
ZAVOD ZA RAZISKAVO MATERIALA
发明人
分类号
E21D11/38
主分类号
E21D11/38
代理机构
代理人
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