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发明名称
Protective pad
摘要
申请公布号
US2166837(A)
申请公布日期
1939.07.18
申请号
US19390260721
申请日期
1939.03.09
申请人
SOLOMON ASH
发明人
ASH SOLOMON
分类号
A47B13/08
主分类号
A47B13/08
代理机构
代理人
主权项
地址
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