|
GB1604733A
|
|
Method of inhibiting corrosion of metal surfaces
|
|
US3776414A
|
|
Tanks for the continuous treatment of elongated metal workpieces
|
|
ZA7006673B
|
|
Irrigation or watering devices
|
|
FR1061541A
|
|
Protective coatings for metal and other surfaces
|
|
GB709948A
|
|
Protective coverings for metal or other surfaces
|
|
GB546247A
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|
Improvements in or relating to pipe jointing devices
|
|
GB528917A
|
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Improvements relating to the waterproofing of tunnels and underground chambers
|
|
GB256640A
|
|
Improvements in and relating to pitch compositions
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CA558704A
|
|
Protective coverings for metal or other surfaces
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CA335969A
|
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Acid-proof cement
|
