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发明名称
Wooden spring
摘要
申请公布号
US2363837(A)
申请公布日期
1944.11.28
申请号
US19430473994
申请日期
1943.01.29
申请人
DAUGHERTY LUCIUS A
发明人
DAUGHERTY LUCIUS A.
分类号
A47C23/06
主分类号
A47C23/06
代理机构
代理人
主权项
地址
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