US1975777A
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Rotary valve engine
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US1908680A
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Internal combustion engine
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US1646949A
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Rotary valve
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US1624388A
|
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Internal-combustion-engine rotary valve member
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US1576082A
|
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Rotary valve
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US1472113A
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Rotary valve
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US1293681A
|
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Rotary internal-combustion-engine valve.
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US1118730A
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Internal-combustion engine.
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US1119494A
|
|
Internal-combustion engine.
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US1096094A
|
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Internal-combustion engine.
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CA117493A
|
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Method of uniting steel and copper bodies
|
CA117492A
|
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Method of uniting steel and copper bodies
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US880271A
|
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Method of forming rail-bonds, &c.
|
US788240A
|
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Pressure-reducing valve.
|
US1250548A
|
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Rotary valve for internal-combustion engines.
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