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发明名称
Adjustable foot rest
摘要
申请公布号
US1801609(A)
申请公布日期
1931.04.21
申请号
US19290382039
申请日期
1929.07.29
申请人
NIELSEN CARL E
发明人
NIELSEN CARL E.
分类号
G05G1/60
主分类号
G05G1/60
代理机构
代理人
主权项
地址
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