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发明名称
Sealing washer
摘要
申请公布号
US2455982(A)
申请公布日期
1948.12.14
申请号
US19450605298
申请日期
1945.07.16
申请人
DOWTY GEORGE H
发明人
DOWTY GEORGE H.
分类号
F16L15/04
主分类号
F16L15/04
代理机构
代理人
主权项
地址
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