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发明名称
Verfahren zur luftdichten Verbindung von Boden und Mantel bei Blechdosen.
摘要
申请公布号
CH198466(A)
申请公布日期
1938.06.30
申请号
CHD198466
申请日期
1937.10.23
申请人
GEBR. HOFFMANN
发明人
HOFFMANN GEBR.
分类号
B21D51/30
主分类号
B21D51/30
代理机构
代理人
主权项
地址
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