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发明名称
Shaft seal
摘要
申请公布号
US2368380(A)
申请公布日期
1945.01.30
申请号
US19420459479
申请日期
1942.09.24
申请人
RUZICKA JOHN W
发明人
RUZICKA JOHN W.
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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