|
US2846111A
|
|
Weighted shoe hanger
|
|
US2855122A
|
|
Floating roof seal arrangement
|
|
US2866516A
|
|
Dehydration arrangement
|
|
US2843289A
|
|
Floating roof
|
|
US2857072A
|
|
Drain arrangement for floating roof
|
|
US2801763A
|
|
Floating roof arrangement
|
|
US2843405A
|
|
Supporting column
|
|
US2855121A
|
|
Elevated tank
|
|
US2777533A
|
|
Oil and gas separator
|
|
US2812034A
|
|
Horizontal high pressure separator
|
|
DE946383C
|
|
Device for under-powder welding of vertical seams
|
|
US2781911A
|
|
Clarifier construction
|
|
US2817748A
|
|
Welding process
|
|
DE1000545B
|
|
Method and device for submerged arc welding of perpendicular or similar welding seams
|
|
DE958232C
|
|
Welding process and device for under-powder welding of vertical seams on vertical walls
|
|
GB756201A
|
|
Welding process and apparatus
|
|
GB767598A
|
|
Welding tool manipulator
|
|
GB756979A
|
|
Arc welding process and apparatus
|
|
US2742553A
|
|
Submerged arc welding method and apparatus
|
|
DE959268C
|
|
Floating roof for a liquid storage tank
|
