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发明名称
Verfahren und Maschine zur Herstellung von einen vollen, kugelfoermigen Scheitelteil aufweisenden Gluehlampenkolben
摘要
申请公布号
DE630031(C)
申请公布日期
1936.05.18
申请号
DE1934P069734D
申请日期
1934.07.21
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
分类号
C03B23/055
主分类号
C03B23/055
代理机构
代理人
主权项
地址
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