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经营范围
发明名称
Juvenile tiring
摘要
申请公布号
US1921548(A)
申请公布日期
1933.08.08
申请号
US19320597686
申请日期
1932.03.09
申请人
CHARLES A. DANA;JOHN B. PIERCE
发明人
SOULEN HARRY B.
分类号
B60C7/12
主分类号
B60C7/12
代理机构
代理人
主权项
地址
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