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经营范围
发明名称
Furniture seat
摘要
申请公布号
US1928999(A)
申请公布日期
1933.10.03
申请号
US19300451912
申请日期
1930.05.13
申请人
DUPLEX SWING-SPRING SEAT COMPANY, INC.
发明人
LICHTY LUTHER D.
分类号
A47C7/34
主分类号
A47C7/34
代理机构
代理人
主权项
地址
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