US2056588A
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Article with reduced tendency to corrode
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US2056590A
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Articles with reduced tendency to corrode
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US2056589A
|
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Articles with reduced tendency to corrode
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US2056591A
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Articles with reduced tendency to corrode
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US2041635A
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Steel for railroad rails, wheel tires, plankpiles and other objects which are subjected to heavy wear
|
US2100153A
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Iron sleeper
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US2006253A
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Movable weir
|
US2006266A
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Process for cooling furnaces by means of cooling chambers
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US2051937A
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Steel-alloy rivet
|
US2004836A
|
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Process for the production of chromium steel alloys by the basic process
|
US2047849A
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Method of flaring tubes
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US2016064A
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Iron sheet piling
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US2042735A
|
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Method of avoiding coarse crystallization at the solidification of metallic castings
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US1985795A
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Sheet piling
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US1986701A
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Bottom seal for gates or the like
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US1991685A
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Method of producing steel in basic open hearth furnaces
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US1968220A
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Butt welded joint for sheet pilings
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US1968730A
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Weir
|
US2050641A
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Disk wheel and process of producing the same
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US2040722A
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Lock and gate structure
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