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发明名称
LEIBGUERTEL MIT RUECKSTRAHLER.
摘要
申请公布号
DE1640211(U)
申请公布日期
1952.06.26
申请号
DE195200B8331U
申请日期
1952.03.18
申请人
OTTO BACKER;WILHELM WEIRICH
发明人
OTTO BACKER;WILHELM WEIRICH
分类号
主分类号
代理机构
代理人
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