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发明名称
摘要
申请公布号
JPS6135905(B2)
申请公布日期
1986.08.15
申请号
JP19790164053
申请日期
1979.12.19
申请人
HITACHI LTD
发明人
KAWAMOTO MASAICHI;KOYAMA FUMIO;OOTSUKA KEIZO;SAWAHATA SHOICHI
分类号
B03C3/74
主分类号
B03C3/74
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代理人
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