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发明名称
Centrifugally cast plunger and tube
摘要
申请公布号
US2207150(A)
申请公布日期
1940.07.09
申请号
US19380190454
申请日期
1938.02.14
申请人
INDUSTRIAL RESEARCH LABORATORIES, LTD.
发明人
HIRSCH WALTER F.;BAYLESS FRANK B.
分类号
B22D13/00;B22D13/02
主分类号
B22D13/00
代理机构
代理人
主权项
地址
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