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发明名称
Pipe bending machine
摘要
申请公布号
US1847200(A)
申请公布日期
1932.03.01
申请号
US19290394225
申请日期
1929.09.21
申请人
EWALD VOLLMERHAUS
发明人
VOLLMERHAUS EWALD
分类号
B21D7/024
主分类号
B21D7/024
代理机构
代理人
主权项
地址
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