Chiu; Pei-Liang

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Taipei, TW

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Gravity return hinge having an axle rod in an axle sleeve
- Patent number 4,391,020
- Issue date Jul 5, 1983
- Chiu; Pei-Liang
- Yun-Tung Hsu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

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