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经营范围
发明名称
Flange level
摘要
申请公布号
US2746163(A)
申请公布日期
1956.05.22
申请号
US19510259991
申请日期
1951.12.05
申请人
THE PURE OIL COMPANY
发明人
MORITZ ROY W.
分类号
B23K37/053
主分类号
B23K37/053
代理机构
代理人
主权项
地址
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