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发明名称
Spring assembly
摘要
申请公布号
US2126439(A)
申请公布日期
1938.08.09
申请号
US19370152122
申请日期
1937.07.06
申请人
ZERBEE LOUIS J
发明人
ZERBEE LOUIS J.
分类号
A47C7/16;A47C7/22
主分类号
A47C7/16
代理机构
代理人
主权项
地址
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