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发明名称
STAIR CLIMBING VEHICLE
摘要
申请公布号
US3497228(A)
申请公布日期
1970.02.24
申请号
USD3497228
申请日期
1968.06.18
申请人
RAPHAEL PORCELLO
发明人
RAPHAEL PORCELLO
分类号
B62B5/02;B62B9/06;(IPC1-7):B62B9/02;B62B7/04
主分类号
B62B5/02
代理机构
代理人
主权项
地址
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