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发明名称
RECHENHILFSGERAET FUER STAHLROHRE.
摘要
申请公布号
DE1701042(U)
申请公布日期
1955.06.23
申请号
DE195500H8623U
申请日期
1955.05.12
申请人
HAHNSCHE WERKE ACTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
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