Gregory, E. N.
Welding symbols on drawings / E.N. Gregory and A.A. Armstrong. - Boca Raton, FL : Cambridge, England : CRC Press ; Woodhead, 2005. - xiii, 55 p. : ill. ; 28 cm.
0849335914 (CRC Press) 185573589X (Woodhead Pub.)
Welding--Notation.
Welding symbols on drawings / E.N. Gregory and A.A. Armstrong. - Boca Raton, FL : Cambridge, England : CRC Press ; Woodhead, 2005. - xiii, 55 p. : ill. ; 28 cm.
0849335914 (CRC Press) 185573589X (Woodhead Pub.)
Welding--Notation.
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