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经营范围
发明名称
Pendulum seismoscope and seismophone with vertical suspension, and inertia given by a metallic mass with reversed cone centred in a metallic ring to cause warning acoustic and light signals after seismic or mechanical quakes
摘要
申请公布号
IT1234532(B)
申请公布日期
1992.05.20
申请号
IT19880017703
申请日期
1988.02.18
申请人
PIERACCINI SANDRO
发明人
SANDRO PIERACCINI
分类号
G08B;(IPC1-7):G08B/
主分类号
G08B
代理机构
代理人
主权项
地址
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