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发明名称
Bellows spring assembly
摘要
申请公布号
US3242512(A)
申请公布日期
1966.03.29
申请号
US19640348928
申请日期
1964.03.03
申请人
BECKMAN RONALD H
发明人
BECKMAN RONALD H.
分类号
A47C23/047;A47C27/06
主分类号
A47C23/047
代理机构
代理人
主权项
地址
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