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发明名称
DEVICES FOR REGULATING WORKING DEPTH OF IMPLEMENT
摘要
申请公布号
KR900002966(Y1)
申请公布日期
1990.04.10
申请号
KR19880000118U
申请日期
1988.01.11
申请人
SHIM JAE-YOUNG
发明人
SHIM JAE-YOUNG
分类号
A01B33/00;A01B63/00;(IPC1-7):A01B33/00
主分类号
A01B33/00
代理机构
代理人
主权项
地址
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