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发明名称
HYDRAULIC SYSTEM OF PLOUGH,ESPECIALLY FOR STONY SOILS
摘要
申请公布号
PL132815(B1)
申请公布日期
1985.04.30
申请号
PL19820235967
申请日期
1982.04.13
申请人
发明人
分类号
A01B;A01B3/36;A01B63/10;F15B;F15B11/00;(IPC1-7):A01B3/36
主分类号
A01B
代理机构
代理人
主权项
地址
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