NL7416172A
|
|
Sealing leaks in underground pipeline - by sandblasting and injecting sealant in collar around pipe at greater velocity than leak rate
|
US3896897A
|
|
Exhaust muffler
|
US3913889A
|
|
Snow fence
|
GB1166335A
|
|
Improvements in Method and Means for External Sealing of Pipe Joints.
|
US3501175A
|
|
Sealed vessels
|
US3507818A
|
|
Sealants for fluid containers
|
FR1464400A
|
|
Method and devices for sealing underground pipes
|
GB1130344A
|
|
Improvements in expendable mold and method for sealing joints in fluid mains
|
FR1458296A
|
|
New sealing composition
|
GB1087249A
|
|
Improvements in or relating to sealing composition
|
US3261381A
|
|
Two-part container for adhesives and the like
|
US3287148A
|
|
Method for sealing gas mains
|
US3272894A
|
|
Method of sealing vessels and joints thereof
|
US3238973A
|
|
Sealing underground conduits
|
CA780179A
|
|
Sealing underground conduits
|
CA845751A
|
|
Sealing composition
|
CA732507A
|
|
Expandable mold and method for sealing joints in gas mains
|