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发明名称
Method for casting rings by the lost wax process
摘要
申请公布号
US3302257(A)
申请公布日期
1967.02.07
申请号
US19640387403
申请日期
1964.08.04
申请人
KAPLAN MORTON S
发明人
KAPLAN MORTON S.
分类号
B22C9/04;B22D25/02
主分类号
B22C9/04
代理机构
代理人
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