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发明名称
Flue expander
摘要
申请公布号
US2152712(A)
申请公布日期
1939.04.04
申请号
US19360108524
申请日期
1936.10.31
申请人
CHICAGO PNEUMATIC TOOL COMPANY
发明人
STEVENS EDWARD W.
分类号
B21D39/08
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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