Document Type and Number:
Japanese Patent JPS4713422
Kind Code:
U
Application Number:
JP1910771U
Publication Date:
October 17, 1972
Filing Date:
March 22, 1971
Export Citation:
International Classes:
B23K9/12; (IPC1-7): B23K9/12
Domestic Patent References:
| JPS4411078Y1 | 1969-05-07 |