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经营范围
发明名称
INORGANIC LIGHT WEIGHT AGGREGATE
摘要
申请公布号
JPS53121026(A)
申请公布日期
1978.10.23
申请号
JP19770036418
申请日期
1977.03.31
申请人
ISHIKAWA TAKASHI
发明人
TABATA TOSHIROU
分类号
C04B18/14;C04B18/02
主分类号
C04B18/14
代理机构
代理人
主权项
地址
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