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发明名称
摘要
申请公布号
JPH0316963(Y2)
申请公布日期
1991.04.11
申请号
JP19830204418U
申请日期
1983.12.23
申请人
发明人
分类号
E04F19/06;E04B2/74;E04B2/78;E04F19/02;(IPC1-7):E04B2/74
主分类号
E04F19/06
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