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经营范围
发明名称
SPRING ASSEMBLY
摘要
申请公布号
US3489404(A)
申请公布日期
1970.01.13
申请号
USD3489404
申请日期
1967.10.24
申请人
HICKORY SPRINGS MFG. CO. INC.
发明人
HOMER F. POOVEY
分类号
A47C7/34;A47C23/05;A47C27/07;(IPC1-7):A47C7/34
主分类号
A47C7/34
代理机构
代理人
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地址
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