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发明名称
SELBSTTAETIG HEBENDE UND SCHLIESSENDE TUERANGEL.
摘要
申请公布号
DE1882908(U)
申请公布日期
1963.11.14
申请号
DE196300B4639U
申请日期
1963.09.16
申请人
JOSEF BOEMER;HERMANN HARMS
发明人
JOSEF BOEMER;HERMANN HARMS
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主分类号
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