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发明名称
Method and means for forming pipe elbows
摘要
申请公布号
US1923272(A)
申请公布日期
1933.08.22
申请号
US19300496615
申请日期
1930.11.19
申请人
TAYLOR FORGE AND PIPE WORKS
发明人
MAROTO JORGE
分类号
B21D9/08
主分类号
B21D9/08
代理机构
代理人
主权项
地址
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