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经营范围
发明名称
PIEZOELEKTRISK TRANSDUSER.
摘要
申请公布号
NO882864(A)
申请公布日期
1989.01.02
申请号
NO19880002864
申请日期
1988.06.28
申请人
INST FRANCAIS DU PETROLE
发明人
BEAUDUCEL CLAUDE
分类号
G01L9/08;G01L23/10;G01V1/18;G01V1/20;H01L41/08;H01L41/087;H04R1/44;H04R17/00;(IPC1-7):H04R/;H01L/
主分类号
G01L9/08
代理机构
代理人
主权项
地址
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