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发明名称
POSITIVE KEEPER MEANS FOR PINS OF EARTHWORKING TIPS
摘要
申请公布号
ZA8800068(B)
申请公布日期
1988.11.30
申请号
ZA19880000068
申请日期
1988.01.06
申请人
CATERPILLAR, INC.
发明人
MARK STEVEN DIEKEVERS;JERRY DALE FIDLER;BRIAN D. JENSEN
分类号
E02F
主分类号
E02F
代理机构
代理人
主权项
地址
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