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发明名称
Vibration calibrator
摘要
申请公布号
US2796756(A)
申请公布日期
1957.06.25
申请号
US19540459562
申请日期
1954.09.30
申请人
YATES WILFRED A;MARTIN DAVIDSON
发明人
YATES WILFRED A.;DAVIDSON MARTIN
分类号
G01H3/00
主分类号
G01H3/00
代理机构
代理人
主权项
地址
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