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经营范围
发明名称
Seaming mechanism
摘要
申请公布号
US1996381(A)
申请公布日期
1935.04.02
申请号
US19330675898
申请日期
1933.06.15
申请人
LANGE PAUL H
发明人
LANGE PAUL H.
分类号
B21D51/32
主分类号
B21D51/32
代理机构
代理人
主权项
地址
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