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经营范围
发明名称
Improvements in hollow wrought metal bodies and methods of making same
摘要
申请公布号
GB424869(A)
申请公布日期
1935.03.01
申请号
GB19340021509
申请日期
1934.07.23
申请人
AMERICAN RADIATOR COMPANY
发明人
分类号
B21K1/14
主分类号
B21K1/14
代理机构
代理人
主权项
地址
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