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发明名称
KELLERABLAUFVORRICHTUNG MIT RUECKSTAUVERSCHLUSS.
摘要
申请公布号
DE1908997(U)
申请公布日期
1965.01.21
申请号
DE196400E0769U
申请日期
1964.11.13
申请人
EISENWERKE FRIED. WILH. DUEKER G.M.B.H. & CO.
发明人
分类号
主分类号
代理机构
代理人
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