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经营范围
发明名称
Door intercom system
摘要
Published without abstract.
申请公布号
DE3820112(A1)
申请公布日期
1989.12.21
申请号
DE19883820112
申请日期
1988.06.13
申请人
SCHOENWAELDER-BRANDL, MARIANNE, 8491 RIMBACH, DE
发明人
SCHOENWAELDER-BRANDL, MARIANNE, 8491 RIMBACH, DE
分类号
H04M11/02
主分类号
H04M11/02
代理机构
代理人
主权项
地址
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