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GB471959A
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Improvements in or relating to valves and similar reciprocating parts and to a cooling medium therefor
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GB475585A
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Improvements in or relating to valve parts and method of constructing the same
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GB466161A
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Improvements in or relating to valve tappets
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US2035055A
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Locking device
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GB450486A
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Improvements in or relating to valve tappets
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GB432337A
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Improvements in or relating to poppet valves
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GB431547A
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Improvements in or relating to valves for internal combustion engines and methods ofmaking the same
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GB441777A
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Improvements in or relating to oil control arrangements for hollow pistons particularly for internal combustion engines
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US2055341A
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Method of making tappets
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US2055342A
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Method of making valve tappets
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US2035165A
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Valve seat ring and method of securing same
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US2004528A
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Method of making valves
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GB423622A
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Improvements in or relating to hydraulic valve operating mechanism which is self-adjusting to take up clearance in the valve mechanism
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GB424797A
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Improvements in or relating to hydraulic valve operating mechanism which is self-adjusting to take up clearance in the valve mechanism
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GB424362A
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Improvements in or relating to valve operating mechanism which is self adjusting to take up clearance in said mechanism
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US1981993A
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Oil control piston
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US2049606A
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Forging die-button type
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GB396577A
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Improvements in or relating to valves and methods of making the same
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GB401096A
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Improvements in or relating to valves and methods of making the same
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US1987784A
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Method of forming valve seat inserts
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