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发明名称
Equalizing device
摘要
申请公布号
US2237972(A)
申请公布日期
1941.04.08
申请号
US19400315416
申请日期
1940.01.24
申请人
FRANK PRAZEN
发明人
PRAZEN FRANK
分类号
B60G5/047
主分类号
B60G5/047
代理机构
代理人
主权项
地址
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