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发明名称
Schieferdachdeckung sowie Verfahren und Bohrmaschine zu ihrer Herstellung
摘要
申请公布号
CH321014(A)
申请公布日期
1957.04.30
申请号
CHD321014
申请日期
1953.09.25
申请人
J. B. RATHSCHECK SOEHNE KG
发明人
ELLERICH,WILHELM;WEIDENHAUPT,FRANZ
分类号
E04D1/34;E04D12/00;E04D15/02
主分类号
E04D1/34
代理机构
代理人
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