EG12720A
(en )
1979-09-30
Apparatus suitable for use in the automatic welding of pipes
GB2051213B
(en )
1983-06-22
Clamping ring for flange connections
JPS54118951A
(en )
1979-09-14
Apparatus for positioning ring gear
JPS524853A
(en )
1977-01-14
Method of and apparatus for light flux scanning
JPS5416578A
(en )
1979-02-07
Method and apparatus for forming inner annular groove at portion of plastic pipe
GB2127530B
(en )
1986-05-21
Method and holder for the manufacture of annular cores
DE2964443D1
(en )
1983-02-03
Annular weld inspection apparatus
ZA803043B
(en )
1981-05-27
Method and apparatus for forming inner liners
JPS51129241A
(en )
1976-11-10
Method of and apparatus for effecting fusion
BG29756A1
(en )
1981-02-16
Apparatus for automatic positioning and centring of details by ring welding
GB2002666B
(en )
1982-04-28
Method of flash butt welding of annular workpieces
DE3068340D1
(en )
1984-08-02
Automatic seaming method and apparatus for gored panty-hoses
JPS528950A
(en )
1977-01-24
Method and apparatus for welding
JPS54114453A
(en )
1979-09-06
Welding method using welding ring
JPS5468746A
(en )
1979-06-02
Apparatus for precisely positioning welding apparatus
PT69856A
(en )
1979-08-01
Portable apparatus for welding by means of an oxi-gas
JPS5487991A
(en )
1979-07-12
Method and machine for preparing annular workpiece from pipe
JPS5474378A
(en )
1979-06-14
Method of automatically centering mask
JPS5390133A
(en )
1978-08-08
Method of welding pipe base
BG29396A1
(en )
1980-11-14
Apparatus for formation of radial circular intwisting
JPS51112747A
(en )
1976-10-05
Welder for flashhbutt welding of ring
JPS53100428A
(en )
1978-09-01
Transformer for welder and method of manufacture thereof
JPS5292849A
(en )
1977-08-04
Method and appratus for drivng automatic arc welder
JPS53111978A
(en )
1978-09-29
Method of and apparatus for automatically centering belt conveyer
JPS5393581A
(en )
1978-08-16
Method of and apparatus for automatically centering belt conveyer