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发明名称
Disposable pattern with lower melting external coating
摘要
申请公布号
US3063113(A)
申请公布日期
1962.11.13
申请号
US19590858782
申请日期
1959.12.10
申请人
HOWE SOUND COMPANY
发明人
OPERHALL THEODORE;KUHARY EMERY E.
分类号
B22C9/04
主分类号
B22C9/04
代理机构
代理人
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地址
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