申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN, NL |
发明人 |
FOERSTER, GERHART ROBERT HEINRICH, NL-5656 AA EINDHOVEN, NL;KRAMER, FOPPE, NL-5656 AA EINDHOVEN, NL;SCHMIDT, ROBERT HAN, NL-5656 AA EINDHOVEN, NL;VAN ROEMBURG, FRANCISCUS MARIA JOHANNES, NL-5656 AA EINDHOVEN, NL |