Document Type and Number:
Japanese Patent JPS49139797
Kind Code:
U
Application Number:
JP4021673U
Publication Date:
December 02, 1974
Filing Date:
April 03, 1973
Export Citation:
International Classes:
A62B1/20; B63C9/28; (IPC1-7): A62B1/20; B63C9/28
Domestic Patent References:
| JPS4031244Y1 | ||||
| JPS4015381Y1 |