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1999-02-26
The building panel
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1997-11-10
Connection structure of building panel
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1996-12-18
Panel structure for prefabricated building
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1997-11-10
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1997-07-29
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1995-11-20
Prefabricated Wall Panel Connection Structure
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1997-02-21
Prefabricated soundproof panel
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1996-04-15
Prefabricated Panel Structure
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1996-04-15
Prefabricated Panels for Building
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1995-11-20
Panels for Concrete Structures
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1996-08-14
Prefabricated concrete component
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Prefabricated Panels for Building
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1996-02-16
Combined structure of prefabricated building panel
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1997-03-29
Prefabricated building panels
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Building panels
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Prefabricated building block
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1997-09-08
Building Exterior Panel
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1996-05-17
Prefabricated panel structures
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1997-06-20
Ondol floor prefabricated panel
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1996-01-19
Prefabricated Sound Insulation Panel
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1995-07-20
Prefabricated building
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1995-11-20
Sash structure for prefabricated panel
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1997-09-08
Lightweight Foamed Concrete Prefabricated Panel
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1997-07-29
Panel structure of prefabricated building
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1997-07-29
Panel connection device for prefabricated building