Document Type and Number:
Japanese Patent JPS61115630
Kind Code:
U
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| JP2001232423 | METHOD AND APPARATUS FOR TUBE GROOVING |
Application Number:
JP19781584U
Publication Date:
July 22, 1986
Filing Date:
December 29, 1984
Export Citation:
International Classes:
B21D17/00; B41F27/00; (IPC1-7): B41F27/00; B21D17/00
Domestic Patent References:
| JPS3415243Y1 |