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专利名称：Row marker for an agricultural machine发明人：AMMERMANN, WILFRIED,HOFFMANN,
KARL-PETER
申请号：EP06021486.3申请日：20061013公开号：EP1776853A1公开日：20070425
专利附图：
摘要：The track marker for agricultural machines comprises a cross-beam withswiveling end sections, on which earthworking tools are mounted. These are operated byhydraulic cylinders (7), each of which has a hydraulic line (12, 13) connected to either endand a third line (14) connected at the center. The central line and one of the end lines oneach cylinder are connected to a 3/2-way valve (15) which has a line (17) connecting it to acontrol valve (18), to which the other two end lines are also connected.
申请人：AMAZONEN-WERKE H. DREYER GMBH & CO. KG
地址：Am Amazonenwerk 9-13 49205 Hasbergen DE
国籍：DE
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