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发明名称
BACKFORM.
摘要
申请公布号
DE1791603(U)
申请公布日期
1959.07.09
申请号
DE195900W1481U
申请日期
1959.02.20
申请人
HELMUT WOLPMANN
发明人
HELMUT WOLPMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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