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经营范围
发明名称
POWER LADDER
摘要
申请公布号
US3424271(A)
申请公布日期
1969.01.28
申请号
USD3424271
申请日期
1966.12.28
申请人
YIGAL MICHELSON
发明人
YIGAL MICHELSON
分类号
E06C5/00;(IPC1-7):E04G1/18;E04G3/10;E04G3/16
主分类号
E06C5/00
代理机构
代理人
主权项
地址
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