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发明名称
DISPOSITIF DE CONTROLE D'ACCES DU TYPE PORTIER OU INTERPHONE COMPORTANT UN ECRAN D'AFFICHAGE
摘要
申请公布号
FR2761188(B3)
申请公布日期
1999.10.01
申请号
FR19970003588
申请日期
1997.03.21
申请人
WORKING SERVICES
发明人
REY COQUAIS JEAN
分类号
H04M11/02;(IPC1-7):G09F9/30;E05B49/00;G06F17/60;G08C19/36
主分类号
H04M11/02
代理机构
代理人
主权项
地址
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