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发明名称
IMPROVEMENTS MADE TO ELECTRONIC AUTOMATIC PORTER SYSTEMS FOR RESIDENTIAL BUILDINGS.
摘要
申请公布号
AR243701(A1)
申请公布日期
1993.08.31
申请号
AR19890314407
申请日期
1989.07.14
申请人
HANS BORIS BELK
发明人
分类号
G08B3/10;H04M9/02;(IPC1-7):G08B3/10
主分类号
G08B3/10
代理机构
代理人
主权项
地址
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