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1999-01-20
Internal combustion engine with constant-volume independent combustion chamber
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1996-05-02
Rotary piston type internal combustion engine
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1992-09-15
Rotary piston internal combustion engine
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1995-09-13
Rotary piston internal combustion engine and compressor
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1992-06-24
Internal combustion piston engine
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1993-09-22
Two stroke internal combustion engine
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1990-08-24
Rotary piston internal combustion engine
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1994-01-28
Devided combustion chamber internal combustion engine with rotary piston
AU6284390A
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1991-03-11
Internal combustion engine with rotary valve
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1994-12-14
Rotary piston internal combustion engine
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1993-09-29
Two stroke internal combustion engine
GB9126275D0
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1992-02-12
Internal combustion engine with rotary piston
CS508290A3
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1992-05-13
Rotary piston translatory internal combustion engine
AU5695194A
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1994-08-15
Sliding piston internal combustion rotary engine
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1997-10-22
Rotary internal combustion engine
HUT68526A
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1995-06-28
Internal combustion engine with rotating piston
HU912184D0
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1991-12-30
Internal combustion engine with rotary piston
HU9303352D0
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1994-03-28
Internal combustion engine with axial piston
GB8901752D0
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1989-03-15
Rotary piston internal combustion engine
GB9217565D0
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1992-09-30
Internal combustion engine pistons
BG47599A1
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1990-08-15
Internal combustion engine with radial piston
AU2771292A
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1993-05-21
Internal combustion rotary piston engine
AU2703592A
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1993-04-22
Internal combustion rotary piston engine
HU907686D0
(en )
1991-06-28
Rotary piston four-stroke internal combustion engine
HU9202171D0
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1992-10-28
Rotating piston internal combustion engine