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发明名称
Spring actuated wheel and track device
摘要
申请公布号
US2639152(A)
申请公布日期
1953.05.19
申请号
US19500195025
申请日期
1950.11.10
申请人
CLAYTON E. BARGEWELL
发明人
REDLIND JOHN O.
分类号
A63G31/00
主分类号
A63G31/00
代理机构
代理人
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地址
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