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发明名称
摘要
申请公布号
SU426821(A1)
申请公布日期
1974.05.05
申请号
SU19721848224
申请日期
1972.11.21
申请人
发明人
分类号
A01G23/097;B27G1/00;B27L1/00;(IPC1-7):B27G1/00
主分类号
A01G23/097
代理机构
代理人
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地址
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