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发明名称
AUXILIARY NONMETALLIC CRAWLER TRACTOR OVERTRACK
摘要
申请公布号
US3441321(A)
申请公布日期
1969.04.29
申请号
USD3441321
申请日期
1966.12.30
申请人
DAVID W. DARLAND
发明人
DAVID W. DARLAND
分类号
B62D55/253;(IPC1-7):B62D55/24
主分类号
B62D55/253
代理机构
代理人
主权项
地址
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