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发明名称
Shaft seal
摘要
申请公布号
US2908515(A)
申请公布日期
1959.10.13
申请号
US19550527301
申请日期
1955.08.09
申请人
COPP BELTON A
发明人
COPP BELTON A.
分类号
F16J15/40
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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