Title:
【考案の名称】水中会話呼吸器
Document Type and Number:
Japanese Patent JPH04106097
Kind Code:
U
Inventors:
Yoshihiro Hayasaka
Application Number:
JP3538291U
Publication Date:
September 11, 1992
Filing Date:
February 25, 1991
Export Citation:
International Classes:
B63C11/12; B63C11/26; G10K11/18; (IPC1-7): B63C11/12; B63C11/26; G10K11/18