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A01B63/112- Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements to control draught load, i.e.A01B63/111- Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements.A01B63/10- Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means.A01B63/02- Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors.A01B63/00- Lifting or adjusting devices or arrangements for agricultural machines or implements.A01B- SOIL WORKING IN AGRICULTURE OR FORESTRY PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL.
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#Naa hydraulic draft control connecting link pdf#
Google Patents Tractor with hydraulic draft controlÄownload PDF Info Publication number US4057109A US4057109A US05/601,659 US60165975A US4057109A US 4057109 A US4057109 A US 4057109A US 60165975 A US60165975 A US 60165975A US 4057109 A US4057109 A US 4057109A Authority US United States Prior art keywords draft main control piston means fluid Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4057109A - Tractor with hydraulic draft control
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US4057109A - Tractor with hydraulic draft control