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经营范围
发明名称
Resurfacing valve seat
摘要
申请公布号
US2052101(A)
申请公布日期
1936.08.25
申请号
US19340709686
申请日期
1934.02.05
申请人
MILLER HARRY G
发明人
MILLER HARRY G.
分类号
B23C3/05
主分类号
B23C3/05
代理机构
代理人
主权项
地址
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