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发明名称
EINWACHSGERAET.
摘要
申请公布号
DE1645120(U)
申请公布日期
1952.10.16
申请号
DE195200K8568U
申请日期
1952.06.06
申请人
ERNST KILLING
发明人
ERNST KILLING
分类号
主分类号
代理机构
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