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发明名称
Sealing means for vacuum vessels
摘要
申请公布号
US2906521(A)
申请公布日期
1959.09.29
申请号
US19570645037
申请日期
1957.03.11
申请人
DORTMUND-HORDER HUTTENUNION AKTIENGESELLSCHAFT
发明人
HARDERS FRITZ
分类号
B22D41/08;C21C7/10
主分类号
B22D41/08
代理机构
代理人
主权项
地址
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