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发明名称
Improved spring-loaded device for rolling-up flexible members
摘要
申请公布号
GB856585(A)
申请公布日期
1960.12.21
申请号
GB19570007680
申请日期
1957.03.07
申请人
FRIEDRICH KESSLER
发明人
分类号
A47H3/12;E06B9/60;E06B9/78
主分类号
A47H3/12
代理机构
代理人
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