发明申请
US20100032985A1 CABIN AND TRAVELING CONSTRUCTION MACHINE WITH THE SAME 有权
客舱和旅行建筑机械

CABIN AND TRAVELING CONSTRUCTION MACHINE WITH THE SAME
摘要:
A rear beam has a first beam with right and left ends welded to right and left rear supports and a second beam welded to a front surface of the first beam along the right and left direction. The second beam is welded to the first beam so that an upper end portion of the second beam is above an upper end portion of the first beam and a lower end portion of the second beam is above a lower end portion of the first beam.
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