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发明名称
PURE WATER PREPARATION
摘要
申请公布号
JPH05237497(A)
申请公布日期
1993.09.17
申请号
JP19920037567
申请日期
1992.02.25
申请人
HITACHI LTD
发明人
EZAWA MASAYOSHI;MISUMI AKIRA;WAKANA SHIGERU;MORISHITA TOSHIKAZU;KAWAGOE HIROMI;WATANABE SUMIKO
分类号
C02F1/28;C02F1/42;C02F1/44;C02F1/50;C02F1/52;C02F1/76;C02F9/00
主分类号
C02F1/28
代理机构
代理人
主权项
地址
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