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发明名称
Bedding support
摘要
申请公布号
US2803021(A)
申请公布日期
1957.08.20
申请号
US19540476228
申请日期
1954.12.20
申请人
WESTGARD MAX W
发明人
WESTGARD MAX W.
分类号
A47C21/02
主分类号
A47C21/02
代理机构
代理人
主权项
地址
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