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发明名称
OPTISCHER SPANNUNGSPRUEFER, INSBESONDERE GLASSPANNUNGSPRUEFER.
摘要
申请公布号
DE1620544(U)
申请公布日期
1951.03.01
申请号
DE194900B1482U
申请日期
1949.05.25
申请人
ASKANIA-WERKE A.G.
发明人
分类号
主分类号
代理机构
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