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W. Haking Industries, Ltd.
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Victoria, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Camera for underwater and above water use
Patent number
4,041,507
Issue date
Aug 9, 1977
W. Haking Industries, Ltd.
Kwok Yan Chan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Retractable camera
Patent number
4,032,940
Issue date
Jun 28, 1977
W. Haking Industries, Ltd.
Kwok Yan Chan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Percussive flash unit operating mechanism
Patent number
4,014,033
Issue date
Mar 22, 1977
W. Haking Industries, Ltd.
Kwok Yan Chan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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