File:Helical screw single double triple quadruple start.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:13, 9 February 2018		1,552 × 1,584 (646 KB)	Jahobr	User created page with UploadWizard

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Horizontal resolution	37.8 dpc
Vertical resolution	37.8 dpc