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发明名称
Transportation chair
摘要
申请公布号
US2138269(A)
申请公布日期
1938.11.29
申请号
US19370135966
申请日期
1937.04.09
申请人
DRAKE BENJAMIN H
发明人
DRAKE BENJAMIN H.
分类号
B61D33/00
主分类号
B61D33/00
代理机构
代理人
主权项
地址
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