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发明名称
Verfahren zur Herstellung fugenloser Druckrohre aus Beton oder Eisenbeton in Rohrstollen
摘要
申请公布号
DE500359(C)
申请公布日期
1930.06.20
申请号
DE1924H097490D
申请日期
1924.06.06
申请人
PHILIPP HOLZMANN AKT.-GES.
发明人
RHEINDORFF PAUL
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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