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Sam Kyong Hardware Co., Ltd.

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  • Seoul, KR
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  • Information Patent Grant

    Hydraulic door closer
    • Patent number 4,847,946
    • Issue date Jul 18, 1989
    • Sam Kyong Hardware Co., Ltd.
    • Sun O. Nam
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

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