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发明名称
Crucible seal
摘要
申请公布号
US3279896(A)
申请公布日期
1966.10.18
申请号
US19600065218
申请日期
1960.10.26
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
HAMILTON NOBLE E.;WELCH MARK C.
分类号
C30B15/02;F16J15/40
主分类号
C30B15/02
代理机构
代理人
主权项
地址
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