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发明名称
Process of making castings
摘要
申请公布号
US2117948(A)
申请公布日期
1938.05.17
申请号
US19350048466
申请日期
1935.11.06
申请人
THE STERLING CORPORATION
发明人
FLAMMANG JOHN;BOWSER PERCY L.;ERNST HERMAN
分类号
B22D21/00;B22D30/00
主分类号
B22D21/00
代理机构
代理人
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地址
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