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| Patents for William Biggart Lang | |||||
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| Picture | Number | Date | Patentee | Title | |
 | GB-337,237 | Oct. 30, 1930 | W.B. Lang | Improvements Relating to Roller Bearings for Lathes and Other Machine Tools | |
 | GB-432,528 | Jul. 29, 1935 | E. Shackleton, W.B. Lang | Improvements in and Relating to Mounting Arrangements for the Chucks or the Like of Machine Tools Such as Lathes and the Like | |