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发明名称
Method of forming flowmeter tube mandrels
摘要
申请公布号
US2384800(A)
申请公布日期
1945.09.18
申请号
US19420427759
申请日期
1942.01.22
申请人
COX CLAUDE E
发明人
COX CLAUDE E.
分类号
B23C3/30
主分类号
B23C3/30
代理机构
代理人
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