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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making window frame for concrete wall panel
Patent number
5,591,286
Issue date
Jan 7, 1997
Kajima Corporation
Tatsuo Suenaga
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Method of making window frame for concrete wall panel
Patent number
5,575,870
Issue date
Nov 19, 1996
Kajima Corporation
Tatsuo Suenaga
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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last 30 patents
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