Title:
【考案の名称】水中ヘルメツト
Document Type and Number:
Japanese Patent JPH04123798
Kind Code:
U
Inventors:
Hideo Miura
Takao Hanada
Nobuaki Tomoda
Nobuyuki Ueno
Akira Sato
Takao Hanada
Nobuaki Tomoda
Nobuyuki Ueno
Akira Sato
Application Number:
JP3511291U
Publication Date:
November 10, 1992
Filing Date:
April 19, 1991
Export Citation:
International Classes:
B63C11/06; B63C11/12; (IPC1-7): B63C11/12; B63C11/06
Domestic Patent References:
| JPS512199A | 1976-01-09 | |||
| JPS4946860A | 1974-05-07 |