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发明名称
SCHWENKBAR AN EINER DECKENOEFFNUNG ANGELENKTE TREPPE, LEITER ODER DERGLEICHEN.
摘要
申请公布号
DE7033376(U)
申请公布日期
1972.02.10
申请号
DE19700033376U
申请日期
1970.09.08
申请人
WILH. FRANK GMBH
发明人
分类号
主分类号
代理机构
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