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2019
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Invention
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Waterproofness tester for watch. Disclosed is a waterproofness tester for a watch. The tester com... |
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Invention
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Folding clasp and watch. Provided is a folding clasp (100), comprising a bottom frame (1) and tur... |
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Invention
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Austenitic stainless steel and hardening method therefor. An hardening method for austenitic stai... |
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2018
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Invention
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Automatic assembling machine and assembling method for clock base and bottom cover of clock. An a... |
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Invention
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Watch use reliability tester and test method thereof. A watch use reliability tester and a test m... |
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2017
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Invention
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High pressure testing cylinder, testing machine and testing method. A high pressure testing cylin... |
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Invention
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Watch fastener, and watch. A watch fastener, and a watch. The watch fastener comprises a first fa... |
