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发明名称
Self-renewing rod packing
摘要
申请公布号
US2807484(A)
申请公布日期
1957.09.24
申请号
US19500183803
申请日期
1950.09.08
申请人
STEWART HERMAN V D
发明人
STEWART HERMAN V. D.
分类号
F16J15/18
主分类号
F16J15/18
代理机构
代理人
主权项
地址
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