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发明名称
MEASURING APPARATUS FOR AMOUNT OF CEMENT IN CEMENT MIXTURE
摘要
申请公布号
JPH03269256(A)
申请公布日期
1991.11.29
申请号
JP19900070102
申请日期
1990.03.19
申请人
NEC CORP
发明人
TSUTAOKA TAKANORI
分类号
G01N27/72
主分类号
G01N27/72
代理机构
代理人
主权项
地址
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