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发明名称
METHOD OF PREVENTING LOADING OF POROUS PLATE BY MEANS OF ULTRASONIC WA VES
摘要
申请公布号
JPS5238681(A)
申请公布日期
1977.03.25
申请号
JP19750114325
申请日期
1975.09.23
申请人
KOUYOU KENSETSU KOUGIYOU KK
发明人
OOKAWA HIROSHI;OTOYA HIDEKI;NAKAMOTO HISASHI
分类号
B01D47/00
主分类号
B01D47/00
代理机构
代理人
主权项
地址
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