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发明名称
Dispositif destiné à émettre un signal électrique en réponse à une impulsion électrique donnée dans chacun de deux ou plusieurs intervalles
摘要
申请公布号
FR1451711(A)
申请公布日期
1966.01.07
申请号
FR19650035732
申请日期
1965.10.21
申请人
发明人
BERGKVIST HELGE BERTIL
分类号
G07C1/32
主分类号
G07C1/32
代理机构
代理人
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