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发明名称
PIVOTAL PLATFORM AND SLIDABLE RAMP PARKING DEVICE
摘要
申请公布号
US3469717(A)
申请公布日期
1969.09.30
申请号
USD3469717
申请日期
1966.08.24
申请人
HAROLD BOLT
发明人
HAROLD BOLT
分类号
E04H6/06;(IPC1-7):E04H6/00
主分类号
E04H6/06
代理机构
代理人
主权项
地址
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