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Lawnmower having a blade with adjustable flaps |
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Variable power optical system, optical apparatus, and method for producing variable power optical system |
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2022-07-05 |
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Zoom optical system, optical apparatus and method for manufacturing the zoom optical system |
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2022-03-08 |
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Variable-power optical system, optical device, and method for manufacturing variable-power optical system |
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2022-02-22 |
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Zooming optical system, optical apparatus, and manufacturing method for the zooming optical system |
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2022-01-11 |
