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发明名称
Trailer train
摘要
申请公布号
US2844108(A)
申请公布日期
1958.07.22
申请号
US19540464370
申请日期
1954.10.25
申请人
MADDEN CHARLES L
发明人
MADDEN CHARLES L.
分类号
B60F1/00;B61D3/18;B61F3/12
主分类号
B60F1/00
代理机构
代理人
主权项
地址
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