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发明名称
Pitch sealing
摘要
申请公布号
GB2018744(A)
申请公布日期
1979.10.24
申请号
GB19790007700
申请日期
1979.03.05
申请人
EGYESUELT IZZOLAMPA ES VILLAMOSSAGI RESZVENYTAR SASAG
发明人
分类号
C03C27/04;H01K1/38;(IPC1-7):C03C27/04
主分类号
C03C27/04
代理机构
代理人
主权项
地址
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