Title:
【考案の名称】超音波送受波器
Document Type and Number:
Japanese Patent JPH04112597
Kind Code:
U
Inventors:
Itou Isou
Seiichiro Takahashi
Akira Kataoka
Seiichiro Takahashi
Akira Kataoka
Application Number:
JP1492591U
Publication Date:
September 30, 1992
Filing Date:
March 14, 1991
Export Citation:
International Classes:
G01S15/08; H04R17/00; (IPC1-7): H04R17/00; G01S15/08
Domestic Patent References:
| JPS61174599A | 1986-08-06 | |||
| JPS62104168A | 1987-05-14 |
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