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发明名称
Laterally adjustable endless tracks for tractors
摘要
申请公布号
US2618349(A)
申请公布日期
1952.11.18
申请号
US19490094330
申请日期
1949.05.20
申请人
JOE LUDEMA
发明人
LUDEMA JOE
分类号
B62D49/06
主分类号
B62D49/06
代理机构
代理人
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