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US2859881A
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Automobile cylinder head hoist
|
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US2344131A
|
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Airfield
|
|
US2292928A
|
|
Shell making
|
|
US2067313A
|
|
Process of forming slag blocks
|
|
US2095733A
|
|
Metal rolling
|
|
US2067312A
|
|
Process of treating slag
|
|
US1975536A
|
|
Method of promoting pollination
|
|
US1971369A
|
|
Art of welding
|
|
US1877819A
|
|
Metal lath slitting press
|
|
US1695274A
|
|
Screw-down mechanism for rolling mills
|
|
US1461309A
|
|
Device for truing connecting rods
|
|
US1618515A
|
|
Metal working
|
|
US1619811A
|
|
Sash
|
|
US1402215A
|
|
Grinding machine
|
|
US1294407A
|
|
Water butt.
|
|
CA180432A
|
|
Rolling mill
|
|
US1238002A
|
|
Pulling device for rolling-mills.
|
|
US1233647A
|
|
Rolling-mill.
|
|
US1221029A
|
|
Rolling-mill.
|
|
US1217919A
|
|
Metal-handling apparatus for rolling-mills.
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