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发明名称
摘要
申请公布号
JPH0256442(B2)
申请公布日期
1990.11.30
申请号
JP19830015962
申请日期
1983.02.01
申请人
SUMITOMO RUBBER IND
发明人
SUGIE YUTAKA
分类号
E01C19/48
主分类号
E01C19/48
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代理人
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