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发明名称
Cushioned back for a seat
摘要
申请公布号
US2060449(A)
申请公布日期
1936.11.10
申请号
US19330694454
申请日期
1933.10.20
申请人
ISAAC SINGER;ADOLPH SINGER;HYMAN SINGER
发明人
SINGER ISAAC;SINGER ADOLPH;SINGER HYMAN
分类号
A47C7/35
主分类号
A47C7/35
代理机构
代理人
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地址
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