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发明名称
Lubricator and sealing device
摘要
申请公布号
US2846279(A)
申请公布日期
1958.08.05
申请号
US19530363348
申请日期
1953.06.22
申请人
LESLIE DAY;MACNERLAND WILLIAM A
发明人
DAY LESLIE;MACNERLAND WILLIAM A.
分类号
B61F17/06
主分类号
B61F17/06
代理机构
代理人
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