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发明名称
Vacuum double seaming machine
摘要
申请公布号
US1884667(A)
申请公布日期
1932.10.25
申请号
US19290417057
申请日期
1929.12.28
申请人
GUENTHER HENRY L
发明人
GUENTHER HENRY L.
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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