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发明名称
WATER SAVING PIECE
摘要
申请公布号
JPS6440764(A)
申请公布日期
1989.02.13
申请号
JP19870197743
申请日期
1987.08.07
申请人
NEC CORP
发明人
OMOKAWA MASAO;MORI YOSHIO
分类号
E03C1/042;F16K1/36
主分类号
E03C1/042
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