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发明名称
Verfahren zum Anschmelzen von aus Quarzglas oder quarzaehnlichen Glaesern bestehenden Abzweigrohren an Quarzgefaesse
摘要
申请公布号
DE682828(C)
申请公布日期
1939.10.23
申请号
DE1938P077182D
申请日期
1938.04.24
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
HAGEN WILHELM
分类号
C03B23/213
主分类号
C03B23/213
代理机构
代理人
主权项
地址
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