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发明名称
Verfahren zur Herstellung gekrümmter Rohre aus Faserstoffen und hydraulischen Bindemitteln.
摘要
申请公布号
AT134098(B)
申请公布日期
1933.07.10
申请号
ATD134098
申请日期
1932.04.23
申请人
ETERNIT-WERKE LUDWIG HATSCHEK
发明人
分类号
主分类号
代理机构
代理人
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