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发明名称
Tandem attachment for bicycles
摘要
申请公布号
US2715342(A)
申请公布日期
1955.08.16
申请号
US19520307799
申请日期
1952.09.04
申请人
RIDGWAY HERBERT N
发明人
RIDGWAY HERBERT N.
分类号
B62J1/14;B62M3/08
主分类号
B62J1/14
代理机构
代理人
主权项
地址
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