GB9124855D0
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1992-01-15
Operation of an internal combustion engine
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1996-01-10
Piston for internal combustion engines
AU1209292A
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1992-09-15
Rotary piston internal combustion engine
GB2256466B
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1995-10-18
Compression ring for internal combustion engines
GB2220727B
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1993-01-27
Two-piece pistons for internal combustion engines
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1991-11-13
Internal combustion engines
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1992-06-24
Internal combustion piston engine
GB9217345D0
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1992-09-30
Four stroke internal combustion engine
GB2220044B
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1992-11-18
Piston structure for internal combustion engine
GB9121596D0
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1991-11-27
Operation of an internal combustion engine
GB2258013B
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1994-12-14
Rotary piston internal combustion engine
HU913773D0
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1992-03-30
Internal combustion engine of rotating piston
GB2256459B
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1994-05-25
Internal combustion engines
HU9202171D0
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1992-10-28
Rotating piston internal combustion engine
GB9103634D0
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1991-04-10
Internal combustion engines
GB2239927B
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1993-12-08
Piston for internal combustion engines
CS532688A2
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1991-06-11
Piston of internal combustion engine
GB9217565D0
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1992-09-30
Internal combustion engine pistons
GB9126275D0
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1992-02-12
Internal combustion engine with rotary piston
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1994-10-12
Internal combustion engines
PL291512A1
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1993-03-08
Internal combustion engine piston
GB9126714D0
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1992-02-12
Internal combustion engines
GB9113949D0
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1991-08-14
Operation of an internal combustion engine
CS481290A3
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1992-04-15
Axial piston internal combustion engine
HUT64607A
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1994-01-28
Rotary piston engine and internal combustion engine