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发明名称
摘要
申请公布号
CS177246(B1)
申请公布日期
1977.07.29
申请号
CS19750004946
申请日期
1975.07.14
申请人
发明人
分类号
B43L1/00;(IPC1-7):B43L1/00
主分类号
B43L1/00
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代理人
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地址
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