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发明名称
Sealing device
摘要
申请公布号
US2555139(A)
申请公布日期
1951.05.29
申请号
US19480061319
申请日期
1948.11.22
申请人
SPECTRUM MANUFACTURING COMPANY
发明人
KNOWLES GEORGE F.
分类号
B29C59/02;B29C65/00;B29C65/04;B29C65/78;B65B51/22
主分类号
B29C59/02
代理机构
代理人
主权项
地址
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