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发明名称
摘要
申请公布号
JPH03108148(U)
申请公布日期
1991.11.07
申请号
JP19900015761U
申请日期
1990.02.19
申请人
发明人
分类号
E04G3/00;E04G5/00;(IPC1-7):E04G3/00
主分类号
E04G3/00
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代理人
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