GB2040746B
(en )
1983-03-23
Apparatus and method for forming seamed tube
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
GB2058636B
(en )
1983-05-05
Apparatus for positioning and securing components of a workpiece
JPS524853A
(en )
1977-01-14
Method of and apparatus for light flux scanning
JPS54118951A
(en )
1979-09-14
Apparatus for positioning ring gear
GB2120151B
(en )
1986-04-03
Method and apparatus for welding
IL56552A0
(en )
1979-03-12
Apparatus and method for guiding a ring structrure during the manufacture thereof
JPS5320052A
(en )
1978-02-23
Method of and apparatus for circular sealing
DE2964443D1
(en )
1983-02-03
Annular weld inspection apparatus
JPS5416578A
(en )
1979-02-07
Method and apparatus for forming inner annular groove at portion of plastic pipe
ZA803043B
(en )
1981-05-27
Method and apparatus for forming inner liners
GB2127530B
(en )
1986-05-21
Method and holder for the manufacture of annular cores
JPS51129241A
(en )
1976-11-10
Method of and apparatus for effecting fusion
GB2055658B
(en )
1983-04-07
Apparatus for resistant butt welding of pipes
JPS528950A
(en )
1977-01-24
Method and apparatus for welding
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
JPS54114453A
(en )
1979-09-06
Welding method using welding ring
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
JPS5468746A
(en )
1979-06-02
Apparatus for precisely positioning welding apparatus
JPS5474378A
(en )
1979-06-14
Method of automatically centering mask
BG29396A1
(en )
1980-11-14
Apparatus for formation of radial circular intwisting
JPS51112747A
(en )
1976-10-05
Welder for flashhbutt welding of ring