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发明名称
Piezoelectric blast gages
摘要
申请公布号
US2799788(A)
申请公布日期
1957.07.16
申请号
US19540469324
申请日期
1954.11.16
申请人
FITZGERALD JAMES W;MARKS SPENCE T
发明人
FITZGERALD JAMES W.;MARKS SPENCE T.
分类号
G01L23/00
主分类号
G01L23/00
代理机构
代理人
主权项
地址
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