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发明名称
An improved clamping device for plate-stretching machines
摘要
申请公布号
GB704187(A)
申请公布日期
1954.02.17
申请号
GB19510020187
申请日期
1951.08.27
申请人
GEBR. BOEHLER & CO., AKTIENGESELLSCHAFT
发明人
分类号
B21D25/04
主分类号
B21D25/04
代理机构
代理人
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地址
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