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发明名称
Safety chain devices for tractor hitches
摘要
申请公布号
US2937885(A)
申请公布日期
1960.05.24
申请号
US19590791744
申请日期
1959.02.06
申请人
SKOW WILLIAM R
发明人
SKOW WILLIAM R.
分类号
B60D1/28
主分类号
B60D1/28
代理机构
代理人
主权项
地址
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