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经营范围
发明名称
Trailer fifth wheel and coupling construction
摘要
申请公布号
US1933622(A)
申请公布日期
1933.11.07
申请号
US19310580791
申请日期
1931.12.14
申请人
FELLOWS HOMER F
发明人
FELLOWS HOMER F.
分类号
B62D53/08
主分类号
B62D53/08
代理机构
代理人
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