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All Patents in class 134/122R | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,944,798 | Jan. 23, 1934 | W. Mellor | Means for Quenching Steels | |
![]() | 3,038,587 | Jun. 12, 1962 | G.A. Bilocq | Log conveying apparatus |