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经营范围
发明名称
Portable chair seat with a backsupporting pneumatic cushion
摘要
申请公布号
US3145054(A)
申请公布日期
1964.08.18
申请号
US19620209465
申请日期
1962.07.12
申请人
SOPKO JR JOHN
发明人
JR. JOHN SOPKO,
分类号
A47C7/46
主分类号
A47C7/46
代理机构
代理人
主权项
地址
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