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经营范围
发明名称
SPONGY SYNTHETIC RESIN GRINDING STONE
摘要
申请公布号
JPS5621774(A)
申请公布日期
1981.02.28
申请号
JP19800055062
申请日期
1980.04.25
申请人
OKA MASAYUKI
发明人
OKA MASAYUKI
分类号
B24D3/02;B24D3/32
主分类号
B24D3/02
代理机构
代理人
主权项
地址
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