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发明名称
SELF-PROPELLING AND SELF-DETACHING ROOT GUIDE STRUCTURE
摘要
申请公布号
JPS6269927(A)
申请公布日期
1987.03.31
申请号
JP19850209513
申请日期
1985.09.20
申请人
SEIREI IND CO LTD
发明人
HAMADA KAZUTAKA;YAMANAKA TAKESHI
分类号
A01D41/02;A01F7/00
主分类号
A01D41/02
代理机构
代理人
主权项
地址
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