Document Type and Number:
Japanese Patent JPS62174792
Kind Code:
U
Application Number:
JP6181086U
Publication Date:
November 06, 1987
Filing Date:
April 25, 1986
Export Citation:
International Classes:
B23K9/028; B23K33/00; G21C21/00; (IPC1-7): B23K31/06; B23K9/225; B23K33/00; G21C21/00
Domestic Patent References:
| JPS5093243A | 1975-07-25 | |||
| JPS4918732A | 1974-02-19 |