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Improvement for burglaryproof stopper of aluminum window
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2000-02-11
Structure improvement for stopper of aluminum door & window
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2002-02-15
ALUMINUM JOINERY FOR WINDOW
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2002-02-15
ALUMINUM JOINERY FOR WINDOW
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2000-04-11
The stopper for aluminum windows
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1999-05-21
Improvement of screewen window for aluminum window
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Improved case structure for aluminum door
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2000-01-01
Improved structure for the wind stopper of the aluminum window
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2000-10-21
Stopping block structure improvement of aluminum window
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2001-06-23
Improved structure of wind-shade block of aluminum window
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2000-03-01
Structure improvement for bump-prevented stopping block of aluminum door & window
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2002-03-11
Improved sleeve structure for guide block of aluminum window
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2000-08-01
Structure improvement of aluminum doorframe
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1999-03-21
Improvement of guide block for aluminum window
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1999-08-11
Draining structure for aluminum window
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2001-01-01
Adapting components for aluminum door/window
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Fixing devices of freestyle supports of aluminum doors/windows
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Stopper structure for use on an outer frame of an aluminum window
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2001-06-23
Improved seal structure for aluminum window
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2001-08-01
Improved structure of support piece for aluminum window or door
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1999-02-01
Structure improvement for aluminum door & window
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2000-03-11
Improved structure for the airtightness of aluminum window
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1999-05-01
Improvement of hasp structure for aluminum window
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2000-02-11
Improvement for fixing seat of track type aluminum window
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2003-09-11
Improved draining structure for aluminum windows