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Variable-speed transmission
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Curtain and curtain hanging means
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Automatic transmission
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Automatic transmission
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Automatic pneumatic transmission
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Automatic transmission
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Can opener
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Lock mechanism
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Curved bolt lock
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Pickproof cylinder lock
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Universal jimmyproof automatic lock
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Universal jimmyproof arc-bolt lock
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Dispensing device for granular materials
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Interlocking automatic lock
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Sanitary dispensing measure
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Doorlock with automatic interlocking bolt
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