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发明名称
摘要
申请公布号
JPH0546589(Y2)
申请公布日期
1993.12.07
申请号
JP19870137467U
申请日期
1987.09.10
申请人
发明人
分类号
B28C5/42;E04G21/02;(IPC1-7):E04G21/02
主分类号
B28C5/42
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代理人
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