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发明名称
TISCH-STAENDER.
摘要
申请公布号
DE1616233(U)
申请公布日期
1950.11.16
申请号
DE194900D3949U
申请日期
1949.03.21
申请人
WALTER HELLWIG;MARIA HALL
发明人
WALTER HELLWIG;MARIA HALL
分类号
主分类号
代理机构
代理人
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