IT1159944B
(en )
1987-03-04
PROCEDURE FOR TREATING WASTE WATER
IT1089078B
(en )
1985-06-10
EQUIPMENT FOR THE EXECUTION OF COLLARS ON PIPES
NO144972C
(en )
1981-12-16
WATER EMULSIONS OF 1,1,2-TRICLOR-1,2,2-TRIFLUORETHANE FOR CLEANING AND CORROSION PROTECTION OF METALS
PL199064A1
(en )
1978-04-24
METHOD OF PROTECTING DRAINAGE PIPES AGAINST IRONING AND DRAINAGE TUBES FOR THIS METHOD
SE7804679L
(en )
1978-10-26
PROCEDURE FOR CORROSION PROTECTION OF IRON AND STEEL
SE7808588L
(en )
1979-02-13
CONDENSER AND HOT WATER SYSTEM
SE398904B
(en )
1978-01-23
DEVICE FOR DESIGNATION OF PIPES OR PIPE WELLS
JPS54413A
(en )
1979-01-05
Method of executing water absorption and drainage of culvert
PL198326A1
(en )
1978-12-18
METHOD OF PROFILING METAL PIPES AND DEVICE FOR APPLICATION OF THIS METHOD
JPS5410220A
(en )
1979-01-25
Heat treatment method of steel pipes
JPS5399609A
(en )
1978-08-31
Method of laying smallldiameter pipe
PL101366B1
(en )
1978-12-30
METHOD OF PROTECTION AGAINST SLUDGE OF DRAINAGE PIPES
SU541535A1
(en )
1977-01-05
Method of bending pipes
JPS53139216A
(en )
1978-12-05
Method of and device for removing water from pipe lines
NO774210L
(en )
1979-06-11
PROCEDURE AND DEVICE FOR REHABILITATION OF EXISTING PIPES
JPS5477448A
(en )
1979-06-20
Method of detecting laid water pipe leakage
PL203385A1
(en )
1979-07-16
METHOD OF CLAMPING CONNECTION OF PIPE SECTIONS
FI780468A7
(en )
1979-05-01
STEEL PIPE MASK
PL196144A1
(en )
1978-09-25
METHOD OF THERMAL CUTTING OF DRILL PIPES AND DEVICE FOR APPLICATION OF THIS
JPS5369401A
(en )
1978-06-20
Method of inserting drain pipe
SE7805315L
(en )
1978-11-18
DRAIN PIPE SYSTEM
JPS53103632A
(en )
1978-09-09
Method of introducing water to prevent leakage of water for tunnel or like
IT7850277A0
(en )
1978-07-13
PROCEDURE AND MEANS FOR COATING PIPES
SE7807337L
(en )
1978-12-31
INHIBITION OF LIPOGENESIS
JPS53125355A
(en )
1978-11-01
Method of and device for laying sewage pipe