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经营范围
发明名称
MANUFACTURE OF EXPANDED GRAPHITE
摘要
申请公布号
JPS63252978(A)
申请公布日期
1988.10.20
申请号
JP19870085415
申请日期
1987.04.07
申请人
SUMITOMO METAL IND LTD
发明人
KAWAYOSHI YATSUHIRO
分类号
C04B38/00;C01B31/04
主分类号
C04B38/00
代理机构
代理人
主权项
地址
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