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发明名称
Improvements in the manufacture of incorrodible pipes or tubes
摘要
申请公布号
GB399189(A)
申请公布日期
1933.09.21
申请号
GB19320001825
申请日期
1932.01.21
申请人
MICHAEL RATCLIFFE BARNETT
发明人
分类号
F16L58/02
主分类号
F16L58/02
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代理人
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