Document Type and Number:
Japanese Patent JPS53134388
Kind Code:
U
Application Number:
JP3972377U
Publication Date:
October 24, 1978
Filing Date:
March 31, 1977
Export Citation:
International Classes:
B63H20/02; B63H21/30; (IPC1-7): B63H21/30; B63H21/26
Domestic Patent References:
| JP46004484U | ||||
| JPS485339A | ||||
| JP35011256A |