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发明名称
Verfahren zur Herstellung von Hohlkörpern, wie Rohren, Muffen u. dgl. aus Gemischen von Faserstoffen und hydraulischen Bindemitteln.
摘要
申请公布号
AT138853(B)
申请公布日期
1934.10.10
申请号
ATD138853
申请日期
1933.09.02
申请人
ETERNIT-WERKE LUDWIG HATSCHEK
发明人
分类号
主分类号
代理机构
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