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发明名称
BREAKING METHOD
摘要
申请公布号
JPS59120257(A)
申请公布日期
1984.07.11
申请号
JP19820227290
申请日期
1982.12.28
申请人
SUMITOMO CEMENT KK;AOKI KENSETSU:KK
发明人
SATOU MASAO;IKUHARA YUKIO;KAGEYAMA MIKIO;ISHII TADASHI
分类号
B02C19/18;E04G23/08
主分类号
B02C19/18
代理机构
代理人
主权项
地址
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