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经营范围
发明名称
Truck driver's log holder and marker
摘要
申请公布号
US2230927(A)
申请公布日期
1941.02.04
申请号
US19380233858
申请日期
1938.10.07
申请人
BOWMAN ERVIN D L;MEYERS BENJAMIN J
发明人
BOWMAN ERVIN D. L.;MEYERS BENJAMIN J.
分类号
G09D1/00
主分类号
G09D1/00
代理机构
代理人
主权项
地址
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