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发明名称
Roller guides for blackboards having adjustable panel bodies
摘要
申请公布号
US3402483(A)
申请公布日期
1968.09.24
申请号
US19650472132
申请日期
1965.07.15
申请人
PALOR AG
发明人
JENNY HANS;ALTMANN MAX
分类号
A47B97/06
主分类号
A47B97/06
代理机构
代理人
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地址
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