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发明名称
Pressure-sustaining sealing head
摘要
申请公布号
US2668650(A)
申请公布日期
1954.02.09
申请号
US19500177450
申请日期
1950.08.03
申请人
HUYLER'S
发明人
WILSON JOHN B.
分类号
B67B3/12
主分类号
B67B3/12
代理机构
代理人
主权项
地址
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