Patent search ap:("CSF") AND inv:"LOUIS DUBARD" Page 1

1.

发明授权
Shear-wave steel ultrasonic delay line 失效
Title translation: 剪切波超声波延迟线

公开(公告)号：US3348172A

公开(公告)日：1967-10-17

申请号：US46589865

申请日：1965-06-22

Applicant: CSF

Inventor： LOUIS DUBARD

IPC: H03H9/125 , H03H9/13 , H03H9/36

CPC classification number: H03H9/125 , H03H9/133 , H03H9/36

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