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经营范围
发明名称
Treatment of restricted flow tubing and apparatus therefor
摘要
申请公布号
US2075921(A)
申请公布日期
1937.04.06
申请号
US19350001920
申请日期
1935.01.15
申请人
THE CROSLEY RADIO CORPORATION
发明人
WINKLER WYNNE G.;BRUCK ALBERT G.
分类号
B21C37/30
主分类号
B21C37/30
代理机构
代理人
主权项
地址
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