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发明名称
摘要
申请公布号
JPS4733447(U)
申请公布日期
1972.12.14
申请号
JP19710037075U
申请日期
1971.05.10
申请人
发明人
分类号
A44B13/00;A44B99/00;E04H15/64;F16B45/00;(IPC1-7):A45F1/18
主分类号
A44B13/00
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