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发明名称
Casting method
摘要
申请公布号
US2219951(A)
申请公布日期
1940.10.29
申请号
US19380206335
申请日期
1938.05.06
申请人
DUNN ANDREW C
发明人
DUNN ANDREW C.
分类号
B22D19/00
主分类号
B22D19/00
代理机构
代理人
主权项
地址
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