Document Type and Number:
Japanese Patent JPS4210679
Kind Code:
Y1
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| JP6664711 | Vertical butt welding equipment |
Application Number:
JP36964U
Publication Date:
June 13, 1967
Filing Date:
January 06, 1964
Export Citation:
International Classes:
B23K9/29; B23K9/28; (IPC1-7): B23K9/28