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发明名称
Valve guide wear gage
摘要
申请公布号
US2851782(A)
申请公布日期
1958.09.16
申请号
US19530367121
申请日期
1953.07.09
申请人
KOLLMANN MELVIN F
发明人
KOLLMANN MELVIN F.
分类号
G01N3/56
主分类号
G01N3/56
代理机构
代理人
主权项
地址
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