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发明名称
Pump packing
摘要
申请公布号
US1831572(A)
申请公布日期
1931.11.10
申请号
US19300457180
申请日期
1930.05.29
申请人
REA A. MAYNARD
发明人
MACARTHUR WILLIAM J.
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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