【発明の名称】水中用送受波器

Title:

【発明の名称】水中用送受波器

Document Type and Number:

Japanese Patent JPS5821880

Kind Code:

B2

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Inventors:

TOMINAGA YOSHITADA
SUGIUCHI KATSUMI
SASAKI TAKASHI
KIDO TOSHIO

Application Number:

JP1605875A

Publication Date:

May 04, 1983

Filing Date:

February 06, 1975

Export Citation:

Assignee:

NIPPON ELECTRIC CO

International Classes:

H04R1/40; B01B1/00; G01S7/521; G01S7/523; H04B11/00; H04B13/00; H04R1/32; (IPC1-7): H04R1/40

Attorney, Agent or Firm:

Uchihara Shin

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