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Title:
METHOD AND APPARATUS FOR FORMING THICK PROTECTION ON PERIPHERAL SURFACE OF TUBE BODY
Document Type and Number:
Japanese Patent JPS5472756
Kind Code:
A
Inventors:
NAITOU SHIGENARI
Application Number:
JP13943277A
Publication Date:
June 11, 1979
Filing Date:
November 22, 1977
Export Citation:
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Assignee:
NAITO SHIGENARI
International Classes:
B21C37/15; B21D28/10; B21D28/28; (IPC1-7): B21C37/15; B21D28/10
Domestic Patent References:
JPS5113486U1976-01-31
JP40008666A



 
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