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发明名称
Verfahren zur Erzeugung von Loechern in Diamanten u. dgl., insbesondere zur Herstellung von Ziehsteinen
摘要
申请公布号
DE856874(C)
申请公布日期
1952.11.24
申请号
DE1949P044220D
申请日期
1949.05.25
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H., HEIDENHEIM/BRENZ
发明人
DR. OSKAR HERRMANN, FLEINHEIM (KR. HEIDENHEIM/BREN;HEIDENHEIM/BRENZ DR. WERNER SCHILLING,
分类号
C04B41/53;C04B41/91
主分类号
C04B41/53
代理机构
代理人
主权项
地址
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