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发明名称
Electro-magnetic acceleration method of increasing impact of dropped body and apparatus therefor
摘要
申请公布号
US3302744(A)
申请公布日期
1967.02.07
申请号
US19630327375
申请日期
1963.12.02
申请人
LEMM FREDERICK L
发明人
LEMM FREDERICK L.
分类号
G01V1/147
主分类号
G01V1/147
代理机构
代理人
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地址
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