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发明名称
摘要
申请公布号
JPS5046478(U)
申请公布日期
1975.05.09
申请号
JP19730074036U
申请日期
1973.06.21
申请人
发明人
分类号
B44C5/04;(IPC1-7):E04C2/44
主分类号
B44C5/04
代理机构
代理人
主权项
地址
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