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发明名称
摘要
申请公布号
JPS5443282(B2)
申请公布日期
1979.12.19
申请号
JP19720120596
申请日期
1972.12.04
申请人
发明人
分类号
E02F3/40;E02F3/30;E02F3/32
主分类号
E02F3/40
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代理人
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地址
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