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发明名称
Kristalliner oder glasig-kristalliner Werkstoff mit negativem oder sehr kleinem thermischem Ausdehnungskoeffizienten
摘要
申请公布号
DE1421927(A1)
申请公布日期
1968.12.12
申请号
DE19601421927
申请日期
1960.03.26
申请人
SIEMENS AG
发明人
WILHELM BAUM,DR.-ING.
分类号
C03C10/00
主分类号
C03C10/00
代理机构
代理人
主权项
地址
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