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经营范围
发明名称
Sealing plug
摘要
申请公布号
US1880745(A)
申请公布日期
1932.10.04
申请号
US19310538372
申请日期
1931.05.18
申请人
ALFRED WHITTELL
发明人
BOUKARD SAMUEL L.
分类号
F01L7/10
主分类号
F01L7/10
代理机构
代理人
主权项
地址
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