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US D403,603 SGranted
Wrist watch type gas measuring device
AssigneeRiken Keiki Co., Ltd.
InventorsHaruhiko Kondo, Junichi Koyano, Masahide Kitamura
Life of this patent
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Abstract
The abstract isn’t available for this document.
Claims1
The ornamental design for a wrist watch type gas measuring device, as shown .