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发明名称
DROP-END SEAT MECHANISM
摘要
申请公布号
GB1211807(A)
申请公布日期
1970.11.11
申请号
GB19680033123
申请日期
1968.07.11
申请人
PARKER-KNOLL LIMITED
发明人
ROBERT HOWLAND
分类号
A47C7/54
主分类号
A47C7/54
代理机构
代理人
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