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发明名称
Lubricator pad
摘要
申请公布号
US2992051(A)
申请公布日期
1961.07.11
申请号
US19570665947
申请日期
1957.06.17
申请人
EMMETT MURRAY ROBERT
发明人
MURRAY ROBERT EMMETT
分类号
B61F17/08
主分类号
B61F17/08
代理机构
代理人
主权项
地址
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