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发明名称
Appareil pour révéler les battements du coeur d'une personne par utilisation des légères fluctuations de son poids
摘要
申请公布号
FR682937(A)
申请公布日期
1930.06.04
申请号
FRD682937
申请日期
1929.10.08
申请人
发明人
BRADSHAW GRANVILLE
分类号
A61B5/11
主分类号
A61B5/11
代理机构
代理人
主权项
地址
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